Halo Infinite

Halo Infinite

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Passing the Gas

Passing the Gas

Killed a Grunt that's been thrown by a Brute.

10

2.82%

How to unlock the Passing the Gas achievement in Halo Infinite - Definitive Guide

Credit goes to Bison for this trick.

Move to Harpoon Squad near FOB Charlie on the northern section of the map. Stand on the rock above the squad and the brutes should eventually throw a grunt. Using this method it took me about 30 seconds to trigger the event. See the video below for a brief demonstration.

Some additional tips: (1) kill brutes with human weapons, they are more accurate and more damage and (2) kill any jackals that may be in range of sniping you. Even on normal difficulty they can kill you pretty quickly.

158
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23 Dec 2021 18:50

32 Comments
Now you just sound pretentious. Let's take a second to realize you are also the first person in this comment section in the past year and a half to have any kind of problem finding the location. If you read the solution, it clearly says to go to Harpoon Squad, and then you stand up on the rock above the squad, and if you watched the video, you can clearly see Harpoon Squad in the video, showing you where you need to be.
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By Smiththedude on 01 Aug 2023 02:14
Tried other methods. This was 100% easiest and best for me. Highly Recommend this one.
Thank you.
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By THE PUNISHER 71 on 31 Dec 2021 22:34
I also highly recommend this, it took no time at all.

With that said I had to do it on a new save where I hadn’t conquered this base, but this worked great.
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By FF7 Bryan on 02 Jan 2022 20:05
Worked for me!
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By Rick Hunter RT on 09 Jan 2022 04:55
Worked perfectly, and only took about 30 seconds! Thank you kindly! 😁
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By FancyDudeGuy on 17 Jan 2022 06:44
Perfect solution, I was pulling my hair out as none of the other solutions worked. Came to this squad after my under 8-hour playthrough and got it within 30 seconds. Thanks!
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By MineMasterjake1 on 17 Jan 2022 22:58
By far the best solution. Tried for hours on my own, tried this and had it in 20 seconds. Thank you!
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By Smiththedude on 22 Jan 2022 21:56
The best solution for a really dumb achievement. I actually missed the first Grunt but then a few seconds later, the Brute threw a second one at me.
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By Gilbert Prime on 22 Jan 2022 22:44
If anybody was having as much trouble as I was with this, this worked but....take out a grunt or two, and shoot a grunt in the leg until it starts running around and wait.
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By KITTENS R CUTE on 24 Jan 2022 17:48
If anybody was having as much trouble as I was with this, this worked but....take out a grunt or two, and shoot a grunt in the leg until it starts running around and wait.
Posted by KITTENS R CUTE on 24 Jan at 09:48
Shooting a grunt in the leg near a brute was the magic trick that worked almost immediately after having spent 30 minutes wondering why it wasn't working! Thank you!
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By Ajp121 on 27 Jan 2022 08:02
Best method for sure, thank you and Bison
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By Fonslayer on 09 Feb 2022 23:12
Literally took longer to fly to this place than it did to get it. Shot a grunt in the leg and he threw him straight away. Thanks!
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By Porygon Zzz on 11 Mar 2022 00:46
please include in your guide that this doesn't work if you've already taken out the squad, which is a huge problem for the majority of us. This is my last achievement in the game and I have never even seen a grunt be thrown.
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By Whats a Chundy on 18 Apr 2022 02:39
Worked first try, got within ten seconds.
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By TheSlyAlmond on 25 Apr 2022 13:08
Ladies and gentlemen, this is the one. I had just gotten to the rock, and was too busy killing a Jackal down below that I missed a Grunt that had already been thrown at me. That was pretty upsetting, but I suicided to reload the checkpoint, and this time just kept watch on the Grunts/Brutes down below, and within 10-20 seconds another one was thrown at me and I got the achievement.
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By Diem on 30 May 2022 18:52
As of the winter update you can replay the harpoon squad mission if you’ve already completed it, I got this within 30 secs using this
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By CrunchyNut 670g on 18 Nov 2022 21:30
Same as the post above. Replay mission and took like about 5 seconds once set up on the rock above. Thanks!
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By Slayer Reigning on 02 Dec 2022 01:25
This one worked for me. I had to replay a few times -- seems like killing the Grunt while still in mid-air may be key. Killing after landing did not seem to pop the achievement.
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By Mada on 10 Dec 2022 17:33
Nice solution, still perfectly working. However, the achievement does not pop. Doesn't matter if killing the grunt before thrown, mid-air, or after landing. Still not popping

Solved: starting a coop mission with friends, immediately popped the achievement
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By FxH Final on 26 Dec 2022 18:35
Worked like a charm... I think this is my favorite achievement so far...
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By Prewojo on 14 Mar 2023 00:55
Perfect spot. Took about 20 seconds. Achievement didn't notify me but it unlocked right away.
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By RJ7 on 23 Mar 2023 02:26
Perfect. Thank you.
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By THEpaynexkiller on 28 May 2023 01:57
what map is this, I don't see any location information. what section.
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By oHIGHxINxAxBOXo on 07 Jul 2023 19:57
I can't find this location.. Near Charlie in the North is a crap answer. west or east or north of the FOB. I am Army Infantry, Give me a distance and a direction..
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By oHIGHxINxAxBOXo on 01 Aug 2023 01:38
Just keep an eye out for a Grunt that goes suicidal with both Plasma Grenades out and lit up. That’s the one that’s about to get turned into a projectile and your next Achievement.
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By OperativeEmeral on 23 Oct 2023 03:10
Worked perfectly
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By FortyTurtle3372 on 12 Nov 2023 20:04
Supoirb
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By Bazroy99 on 25 Nov 2023 10:06
I found that at the entrance to the tower (where you locate the spartan distress beacon) the brute at the front gate almost always throws one of grunts around him.
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By NerdMaster22 on 28 Nov 2023 03:19
These days you can just restart the Harpoon Squad objective rather than start a new game. You start facing the path onto the hill when you do.
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By TheBigBB on 25 Dec 2023 09:24
They threw one pretty much straight away!
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By Mr Gimpson on 14 Jan 2024 22:30
I wasn't getting any. Then I turned on the Catch skull. Everyone has plasma grenades and the brutes threw grunts a lot. Just make sure you shoot them midair because if they explode it doesn't count.
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By Shadow XBL on 06 Jun 2024 20:34
It says its the harpoon squad rescue mission near FOB Charlie in the North in the description
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By BillaBung on 16 Jul 2023 09:58
View all 32 comments Show less comments
On the north of the map there is Barracuda squad. What i did was clear out most of the enemies until the reinforcements arrived. I didnt kill any of the arriving reinforcements. I did not free the marines at all during this. So as you can see in the video i drove away in this direction to get cover from the ship. Once it flew away i drove back around. Keep an eye on the grunts, more specifically the white one and the brute. The brute ran over to the grunt and he popped his nades. Keep note of the distance i am to the enemies for reference. Im also on legendary in the video. I did this twice and got the brute to throw the grunt twice. So i hope this helps and i didnt just get lightning to strike twice. If you mess up any of the above just let the enemies kill you so you go back to last checkpoint.

Edit - Keep comments relevant to my solution, if you want to give praise to another solution do it there and not here.
There has been a solution made based on comments below elsewhere

If you downvote please leave a reason as to WHY you downvoted dont just leave one for no reason

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11 Dec 2021 01:53

59 Comments
Took me a long time to get this achievement. Two notes that helped me, one is that while I DID use this solution, you can't access this area apparently until after you clear out
. Two, I used a trick from another solution to get the Brute to actually throw the Grunt. Once they got near each other I picked up a nearby energy sword and started swinging at the air. Within a few seconds the Brute tossed the Grunt and he got Scorpion Gunned out of the area - achievement unlocked FINALLY...
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By Flame Sama on 09 Jan 2022 19:39
Bisons method didnt worked after 20min...
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By Vengeful Void on 17 Dec 2021 17:44
It worked after 15mins. This is my last achievement outside LASO. They need to increase the odds for this.
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By KingWeaboo on 11 Dec 2021 11:13
This is a great solution,thanks. I was just kiting around till one did it - just kept my eye on the small white armoured grunt. Took about 5min or so.
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By McDan1el on 11 Dec 2021 14:38
Played through the entire game on Legendary and didn't see this a single time nor even know it was a POSSIBILITY until I really combed through the achievement list lol They really should increase the chance for this or something.
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By R3f1CuL on 11 Dec 2021 15:04
Im glad this is working for people
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By matthewabc123 on 11 Dec 2021 18:47
Just got it at Harpoon Squad near FOB Charlie. Stood on a rock just above the marines and with no way to reach me, a brute threw a grunt within 10 seconds of me alerting them.
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By Amaterasu#8873 on 11 Dec 2021 19:56
Yeah, just did Bison's method on my easy speedrun. Took a detour, got it instantly. Thanks dude headspin
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By ninjaraiden2003 on 12 Dec 2021 02:54
you can do this on easy, after you finished the history
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By PriscoDH on 12 Dec 2021 07:02
.
.
You don't have to shoot the grunt while it's airborne, correct?
Just as long as the grunt was thrown sometime before killing it?
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By E vee dub on 12 Dec 2021 07:30
Bison's trick should be the top solution for this achievement. It happens almost instantly.
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By Fooga on 12 Dec 2021 11:47
I hate rng achievements. This never happened in my first run. Brutes only throw explosive coils on me.
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By SPΛΙΝΤΞRCΞΛΛ on 12 Dec 2021 12:40
Also commenting that Bison's solution worked perfectly first time!
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By PJB on 12 Dec 2021 13:23
+1 to bison's comment
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By TheAaronLad on 12 Dec 2021 14:37
Another +1 for Bison - do it at harpoon squad.
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By Ninja Rabbit on 12 Dec 2021 15:14
Could be complete coincidence but I also got it within 5 minutes of switching my difficulty to easy. Literally the first Brute + Grunt combo I ran into and got it. Wasn't at a squad or anything, just out in the middle of nowhere north of the Armory of Reckoning.
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By x1001x Puppys on 12 Dec 2021 20:20
Another +1 for Bison’s suggestion. As soon as I got spotted on the rock, one of the Brute’s threw a suicide Grunt. The unlock was a little delayed, but still worked perfectly.
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By BiggDope on 13 Dec 2021 00:14
I have cleared the zone. Which rock is that?
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By SPΛΙΝΤΞRCΞΛΛ on 13 Dec 2021 00:42
so after trying for what felt like forever. i did this at the "armory of reckoning" more specifically near the chieftan. what i did take out all the brutes except the 2 near the chieftan with the scrap cannon. next to them is a door, and a sniper and 2 grunts. i used rockets and took everything out on my way to the chieftan, took him out. took out all the jackals. then killed one of the brutes to get the grunts to panic and that triggered one of them to go nuts and pull out the grenades. as he did that one of the brutes yelled " Time to pass the gas!" so look out for that queue if you got subtitles on and managed to snag it.
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By Howler Corp on 13 Dec 2021 01:37
worked like a charm, kited the white one with one brute for about 60 seconds and then he threw him, nice guide
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By Dizyne on 13 Dec 2021 10:11
Another +1 for Bison's method. Got it in under 30 seconds on my easy speed run save
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By XxZ SxX on 15 Dec 2021 23:46
FYI Bison's method only works if you haven't cleared that area. Otherwise it's one jetpack brute.
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By Shadow XBL on 16 Dec 2021 07:22
This worked perfectly on my first try. Thank you!
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By JanSH4DOW on 16 Dec 2021 11:12
Bisons method worked for me after two minutes. I only killed the two snipers. Difficulty: easy with bandana.
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By SPΛΙΝΤΞRCΞΛΛ on 17 Dec 2021 18:03
worked on my first try too
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By Star Forge 7 on 19 Dec 2021 03:42
.20 DEC 2021
.
1000/1600G Halo Infinite campaign achievements complete.
(I don't touch multiplayer versus)
And this "Passing Gas" achievement was the last one I unlocked.
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By E vee dub on 20 Dec 2021 08:17
This isn't unlocking for me????? I've done this 5/6 times... fucking over this shit...
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By xMoBBzY on 17 Apr 2022 05:39
I unlocked mine at Harpoon squad by the mountain where you get the Nosebleed achievement and Artifact 1.
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By keoskey on 28 Apr 2022 23:14
This location worked super well for me. Definitely worth an upvote.
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By Tuvix519 on 21 Dec 2021 14:32
Is this missable?
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By C3LLDW3LLER on 22 Dec 2021 20:46
@C3LLDW3LLEE, yes it's missable I didn't get it in a normal + laso playthrough so have to start a 3rs save just got this
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By NoName4This on 23 Dec 2021 14:08
No it's not missable. You can do it as long as there are enemy squads. It can just take forever to happen.
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By Elf Taki Taki on 24 Dec 2021 05:01
+1 to Bison's method. Loaded up my easy file and the brute immediately rushed the grunt and tossed him.
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By CaptainSlayer on 25 Dec 2021 01:45
Lächerlicher Erfolg der auf Glück nur freigeschaltet wird. Dieser Leitfaden funktioniert nicht.
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By LuziferDerFreak on 28 Dec 2021 10:58
If bison makes a guide I’ll go out of my way to give it a thumbs up worked after 15 seconds
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By jaime2299 on 28 Dec 2021 23:57
jaime2299 someone already has made a solution based on his method and gave them credit...
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By matthewabc123 on 29 Dec 2021 12:40
@thijsbos yeah im pretty certain it has to be in the air when you kill it
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By matthewabc123 on 29 Dec 2021 14:14
Just got this following the method. Thanks.
Can confirm they have to be in the air. The brute in my game threw a regular grunt with 2 stickys so pay attention to that detail.
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By J2ageGaming on 29 Dec 2021 22:09
Good guide, I just wanted to comment and say that the key to getting this achievement is wounding the grunt into a panic. If you charge them, there's a chance they'll suicide while near a brute and be thrown. Doesn't seem to matter which type of brute or grunt, long as they're together.
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By Sir Lagselot on 02 Jan 2022 00:16
This is testing my patience!
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By PirS92 on 02 Jan 2022 14:42
I took all this info and my attempts were just target practice for the AI.....UNTILL I incorporated the drop shield. I was able to get in close, near the marines, used the drop shield which prompted a brute to grab a grunt to toss over the drop shield. Thanks!
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By Krill Em All on 13 Jan 2022 05:26
I was doing the pelican mission and was trying to destroy the AA guns in 20 mins but everything had respawned when I returned.
I jumped into one of the gravity lifts without killing anything and as I was going up the lift I shot down at the enemies below so I didn’t die going up the lift.
I can’t remember if it was shooting at a fusion core or grunt but it unlocked as I went up the lift.
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By Darr112 on 14 Jan 2022 13:08
Another +1 for Bison.
I had also used the drop shield from the rock he was talking about in order to help them decide to huck a grunt at me.
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By Biggity 068 on 17 Jan 2022 03:30
Bison's solution is perfect.
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By Target QG on 18 Jan 2022 06:59
This also can be done in the mission recovery heading to the base there will be a brute several grunts dodge their attacks and eventually he will throw a kamikaze grunt at you
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By ThunderHorse770 on 25 Jan 2022 17:10
I love you Bison!
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By Master Ackerman on 28 Jan 2022 21:49
+1 to Bison!
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By Punidue on 28 Jan 2022 22:33
+1 for Bison.
Stand on the tallest rock formation, on the map its on the east side of Harpoon Squad. Single sniper up there to be taken down.
Food this on my way speed run, too. Kudos Bison clap
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By LlordFlashheart on 06 Feb 2022 19:25
Theres already been a solution created based on Bisons method and credit was given to him there. So please keep comments relevant to this solution here and comments relevant to another solution in the appropriate locations as this solution is my solution and dont want it bogged down from comments regarding another solution.
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By matthewabc123 on 08 Feb 2022 14:03
My problem was actually finding brutes who were hanging with grunts. I used fast travel between Banished outposts after clearing them until I found the enemies I needed. It still took at least 5 or 6 minutes until my two new buddies decided to pass the gas. They were from different patrols by the way. I got mine at the Annex Ridge but I could have had it at the Riven Gate if the enemies from the area hadn't just vanished after murdering me once. I saw it happen 4 times in 30 hours from 3 different brutes : once during the beginning of the last main mission and twice in the last 10 hours when I was actively trying to make it happen. It was always the basic ones who did that.
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By Chief Redrum on 25 Feb 2022 05:23
Cleared campaign on normal easy and legendary without even seeing this. Then whilst mucking about last night it happened twice from the same brute, he had 2 white grunt mates. Didn't pop achievement tho. Probably cos I was playing with the invincibility glitch. Took 10 mins for him to throw both.
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By Eds Killerbox 7 on 03 Apr 2022 15:13
Funcionou perfeitamente...obrigado
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By FOXXMDP02 on 03 Jan 2023 14:54
Bison#6886 location worked perfect for me.
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By SPACE ODDITY on 06 Jan 2023 20:50
Worked like a charm just be patient. Took me 10mins to get in coop!
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By LucasPara96 on 11 Jan 2023 16:04
+1 Bison, not even 5 min
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By PiMaC1985 on 19 Feb 2023 01:15
Bison's location, Harpoon, is great!
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By Peaches 518 on 27 Feb 2023 06:05
Another +1 for Bison's method. Stood on top of the rock for about 10 seconds and a brute threw a grunt towards me. And yes you can't have cleared that spot yet.
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By energyfields on 20 Dec 2021 14:58
Does the grunt have to be in the air when it dies? Because I had a brute throw it, it landed. I shot it in the head after a second, but before the grenades went off, and the achievement didn't pop for me...
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By thijsbos on 29 Dec 2021 13:00
If people are struggling with this post-game like I was. Restart the game on easy. Once you get access to the open world go north towards a bridge above "The Tower". A phantom drops off a load of brutes and grunts and one is white and I had it happen 3 times where the brute threw him at me within a few seconds each time I came up to the bridge. I killed him mid-air on my 3rd go at it.
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By YaIrishMick96 on 19 Jun 2022 12:34
View all 59 comments Show less comments
I followed this video which makes it reproducible even after you completed and collected everything:


You can reset the enemies at any time by Fast travelling to FOBs.

There's always enemies stationed around that area, in my case they were a little bit more inside the island than that close to the edge of it. Plenty of Grunts and two Brutes, got it after circling those enemies for about 10 seconds.

Shoutouts to the creator of the video obviously, Chasing Myths.
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12 Dec 2021 17:30

24 Comments
I've tried this at least 15 times now. I got the brute to throw the grunt once, but I missed -_- It doesn't seem to be very consistent. I have spent 20 minutes walking around getting shot waiting for the Brute to get anywhere near a Grunt, but when it does, he never throws him. There's also only like a 1 in 3 chance that you'll get these enemies here - sometimes it's other combinations of enemies that won't work.
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By ThurminatorVII on 21 Dec 2021 16:40
Worked for me, thanks!
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By IzunaDropped on 13 Dec 2021 12:43
Worked great thanks
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By ANCIENT WARRI0R on 14 Dec 2021 03:03
Worked great thanks
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By ANCIENT WARRI0R on 14 Dec 2021 03:06
Worked, thanks !
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By SyrheZ on 14 Dec 2021 22:41
worked! Thanks, the brutes/grunts weren't in same spot but in the area as you mentioned. Just fly around and look for them.
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By I MitchyP I on 18 Dec 2021 15:39
Do you have to have thst FOB cleared? They aren't there for me.
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By JoKeRs ObLiViOn on 18 Dec 2021 17:38
Not sure why you have downvotes, worked for me after a while of waiting thanks!
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By A Magical Zorse on 22 Dec 2021 21:32
Might have just gotten lucky, but this spot worked for me first try within seconds of showing up. I took a few shots at the brutes and hid behind some rocks near a cliff and sure enough the grunt was tossed right away. Didn't happen once during natural play while getting every other achievement so was pretty shocked to get it that quick.
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By IXI FalcoN on 22 Dec 2021 23:17
Worked for me on the first try. Took out 2 of the 3 grunts and 1 brute. Circled around the last grunt and brute while spamming the grapple hook. 7 minutes later he finally threw him!!
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By TMONEYRKO619 on 27 Dec 2021 18:52
Incredible good spot, it took probably 3-5 minutes to trigger it. At the exact moment the grunt makes himself grab 2 Plasma grenades, the brute will (most likely) throw the grunt in the air, so be prepared to shoot! Thanks!
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By DeAtHisLaNd on 28 Dec 2021 01:55
I couldn’t get the Brute to throw the Grunt until I pulled out the sword. Once I pulled the sword out, swung a bit, the grunt pulled out two sticky grenades and the Brute threw him. Just remember to kill him with your BR, and not the sword. The achievement didn’t unlock when killing the grunt with the sword.
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By GlockPurdy85 on 28 Dec 2021 14:06
In case you're running the tank cannon as secondary, you can also just shoot the floor in front of you. Usually the blast is enough to kill the Grunt (in my case it was).
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By CommanderCH on 28 Dec 2021 14:40
They aren't there. I completed everything else in the game. That might be why.
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By Furunator on 04 Jan 2022 12:37
This worked for me, took 3 minutes.
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By Maka91 on 11 Jan 2022 05:29
I went here and no enemies were there. If you didn't do "Forge of Teash" yet, there are 4 regular brutes and a bunch of regular grunts at the entrance. Just don't kill anybody and easy achievement.
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By Zero or Die453 on 17 Jan 2022 17:51
I was having difficulty getting them to spawn at this spot, but I found an even better spot. If you spawn at fob charlie and get in the wasp and just go slightly south over the cliff and down to the road below you, you will see a little checkpoint in the road and twice in a row I had 2 grunts 2 shield brutes and 1 normal brute, kill the 2 shield brutes and then just circle them a bit and the brute should throw a grunt pretty quickly.

I think I figured out that if there is only 1 grunt left alive he wont ever go into suicide mode because I spent 10 minutes circling 1 grunt and 1 brute and nothing happened, then I reset and tried again with 2 grunts and one of them did the suicide throw in like 10 seconds.
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By Elite Mouse on 25 Jan 2022 06:54
I got it in a few attempts. Even if the enemies do not spawn in the exact same location as per the video, fly around with the wasp and you will be able to find several areas with enemies roaming around. Any places where grunts and brutes are in the same group will do. Another tip is to pay attention when the grunt grabs two grenades near a brute, it's a sign he will be thrown, then you shoot the grunt mid-air before he explodes and kill himself.
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By Stark Marine on 14 Feb 2022 11:38
Mad props to Elite Mouse. I tried the other end game spot multiple times with no luck. Went to the spot he mentioned, and killed both shielded brutes. The suicide throw happened about 10-20 seconds later.
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By O Zorgnax on 17 Feb 2022 00:46
Thanks Elite Mouse, your solution worked for me within a few min.
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By PlayAndSkills on 01 Aug 2022 05:29
This continues to work! Thanks a ton !
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By USAF Venom on 20 Aug 2022 12:23
Got this after a minute or so using this strategy! Just make sure to kill the shielded Brute first as the Grunts won't suicide until there's only one Brute left.
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By masterelliot994 on 25 Nov 2022 23:59
Worked after like 5 minutes of running around. Killed all but one brute and one grunt.
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By EmagDrolBot on 31 Dec 2022 12:35
I've done this several times, but no achievement popping. The solution still works, cause the brute keeps throwing grunts, but the achievement seems bugged

Solved: starting a coop mission with friends, immediately popped the achievement
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By FxH Final on 26 Dec 2022 17:04
View all 24 comments Show less comments
This Achievement is entirely luck based but there are ways to force situations where it can occur and can be done on any difficulty. Start off by loading up a new save file on Easy and run through the first 2 levels as usual. Once you’ve reached the open world of Zeta Halo, right after defeating Tremonius and taking an elevator upwards, you will be tasked with taking out enemies in order to clear a FOB for Echo-216 to pick you up. As shown in the video, you want to clear out all other enemies only leaving a single Grunt and Brute alive next to each other. You can find both enemies at the top of the hill on the FOB platform for a nice flat area to use. Stand a bit of distance away from the enemies to encourage them to throw, (use video as reference distance) they don’t seem to want to throw if you are too close. Now if they continue to shoot you and get your shields low, just hide in cover until your shields come back, then continue trying. Eventually you will see the grunt pull out plasma grenades and go towards the Brute, be ready with your weapon of choice to take out the Grunt while he’s in the air. He must be in the air when you kill him. Achievement should pop. Hope this helps! Goodluck.
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12 Dec 2021 15:14

Halfway through campaign there is a Brute that likes to throw things at FOB Juliette. Go there and just wait for him to toss a grunt that starts to kamikaze charge you w/ plasma grenades.


Not my video I take no credit, but once again I think this is the best video guide that clearly helps you quickly knock this out if you don't get it via RNG through your normal playthrough.
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24 Dec 2021 16:31

I got this to trigger every time whilst rescuing Harpoon squad. Kill the first Jackal then take his spot and just wait for the Grunt

https://www.xbox.com/play/media/RYWXJLBA
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02 Jan 2022 10:10

I found that the grunt had to be a white grunt to be thrown by a brute.
so on easy difficulty i put the thunderstorm skull on from the main menu which made pretty much all grunts white then found a grunt and brute in free roam and got it in less than 5 minutes, there will also be lots of them at bases and squads if you haven't completed them already.
Hope this helps.
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19 Dec 2021 14:00

I tried many of the other solutions here but the unit composition was not the same for me in many of these areas. What did work for me was an area between FOB Alpha and the Excavation site. You will come to a forest that's been charred and see two brutes and three grunts next to a bunch of destroyed USNC vehicles. I killed the brute with the shield and then circled the remaining enemies. After about 5 minutes the brute threw a grunt at me.

Maybe it was just luck on my part but just another area to try if the others aren't working out for you.
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28 Jan 2022 02:12

At the end of the mission Foundation, you have to capture Outpost Tramondius/ or whatever name it has/. As soon you leave the building and go on open there will be a Brute with 5-6 grunts. Just sit on top and avoid the gunfire. Now and then the brute will throw a grunt on you. If you miss it just wait for the next one. Took me 2 attempts/grunts as I was not expecting the 1st throw. Good luck and hope this help.
7
2

16 Jan 2022 00:50

I did this at FOB Charlie, there’s loads of grunts and two/three brutes… Just wait until one throws a grunt at you and you’re sorted :) the annoying this is killing the grunt before it lands/blows up… I just got myself killed and reloaded whenever I missed the opportunity
7
3

30 Dec 2021 22:41

I got this on the First mission. Easy Difficulty, Bandanna, Birthday and IWHBYD skulls active.

After the first long elevator, you'll come to a room with Brutes and grunts, Pop some Brute helmets off, and kill enemies til you have 2 Grunts and 2 Brutes, they should retreat to the back of the room, so hover around the middle, generally dodging any fire and meleeing the air when you can, if done correctly, the Brute should scream something about returning this to you, which is what he shouts when throwing a grunt. Pop the grunts, they don't have to be airborne, and the achievement should pop. If not, revert to last checkpoint and try again.
6
2

17 Mar 2022 05:54

To unlock the achievement, you must kill a Grunt launched by a Brute.

It's a very random success: a Grunt must be ready to throw a grenade when a Brute is right next to it. The Brute will then launch the Grognard that you must eliminate in midair.

Find a group of enemies with Grunts and at least one Brute and wait for the opportunity to present itself.

Here is a video to help you:
3
1

12 Sep 2022 09:25

I just got this on easy difficulty. I noticed that the Brutes are more likely to throw a Grunt holding grenades. So what I did was after Mission 3, there's a Warthog near where you start. Drive it to the bridge to the west of where Briglard is/was and a Phantom should appear and drop off a few grunts and brutes. Wait until a Grunt holds up Grenades, focus on it and wait for it to be thrown. The best weapon to have seems to be a battle rifle as I got it first try with it.
2
1

05 May 2022 16:23

You need to find a location where there will be a lot of bulls and grunts. For example, base "Juliet"

Then all you have to do is wait on a hill until one of the grunts runs at you with two grenades and one of the bullies throws him up. Shooting a grunt in flight will earn you the achievement
1
0

09 Jan 2022 22:26