Call of Duty: Black Ops III

Call of Duty: Black Ops III

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Crop Duster

Crop Duster

In Zetsubou No Shima, kill 10 zombies with a single shot of the KT-4.

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0.81%

How to unlock the Crop Duster achievement in Call of Duty: Black Ops III - Definitive Guide

Crop Duster (15G) — In Zetsubou No Shima, kill 10 zombies with a single shot of the KT-4.

How To Unlock The KT-4: In this section we explain how to get the KT-4 Wonder Weapon. You must do these steps in the given order. You cannot skip a step!

• Step 1: To build the KT-4 you must find its 3 Parts and put them together at a workbench. Their locations are as follows:

– Where to find Part 1?: Where you turn on the power on Lab A there’s a cage you can lower down. This only works after turning on the power (bring irradiated water in a bucket to start the generator). Lure a spider into this cage and bring the cage back up. Some blood will be drained from the spider which counts as a part for this weapon.
– Where to find Part 2?: Inside the bunker open the door in the middle and go down to the lab. There’s another door at the side you can open and swim down a cave. At the very bottom there’s an aquatic plant you must pick up. Shoot the yellow bubbles on the walls to replenish oxygen. Be quick or you’ll drown!
– Where to find Part 3?: This one is randomly dropped by a zombie sometime between round 7-12 after permanently turning on the power in the bunker. that only spawns near the green 115 water (confirmed). The zombie with the item will be glowing green, but it’s hard to see. He drops the item when you kill him. Interact with it to pick it up.

• Step 2: Now that you have all Parts you can build the KT-4 in the lab of the Bunker (corner of the room).

• Step 3: To get the achievement for killing 10 zombies at once with a single shot of the KT-4, you’ll want to have a lot of zombies running after you (in a non-spiders Round). Just run in circles and stay in one area. Then charge up an acid shot by holding down RT on your controller and shoot on the floor. This will create a pool of acid and the zombies get killed when they walk through it. The acid stays there for a few seconds.
Make sure to only fire one charged acid shot, if you fire multiple shots it might not count.

Edit: to spawn the zombie that carrys one of the parts, one player must be in Lab B area, because it only spawns near the green 115 water.

I did not make this guide. All credits goes to the videogamesblogger.

Special thanks to Activision, MrDalekJD, Powerpyx, Zixology, AcceleratedIdeas & Ali-A for the list, tips & video guides.

Read more: http://www.videogamesblogger.com/2016/04/18/call-of-duty-bla...
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20 May 2016 14:45

24 Comments
IS THIS ACHIEVEMENT GLITCHED
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By Mazdei on 08 Jul 2016 22:10
Does the kt4 have to be upgraded, I've done this like a million times in several games.
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By CatTully on 22 May 2016 06:06
No, it doesnt have to be upgraded...
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By StockierHeart on 22 May 2016 20:35
I'm having trouble getting the spider in the cage. I turn on the power and drop the cage but it is closed and not open. What am I missing to open the spider cage when I drop it down?
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By MERC DDS on 22 May 2016 23:39
You are dropping the cage on Lab B, to capture the spider u need the cage from Lab A.
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By StockierHeart on 23 May 2016 01:46
by the way, I've edited the guide, this info was missing. thx
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By StockierHeart on 23 May 2016 01:49
Ugh, achievement suck at 100%...
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By Salsbar on 23 May 2016 02:34
this achievement is the glitchiest pos ever....
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By totemman16 on 23 May 2016 06:04
Salsbar, just wait and it will unlock (might take up to two weeks).

Totemman16 it absolutely didn't glitch for me.
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By StockierHeart on 23 May 2016 14:49
Lol took me 8 times using the KT-4 with 10+ zombies, had a few rounds where I killed 15+ and it still didn't pop. Even the people I normally play with were having to do it multiple times.
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By totemman16 on 23 May 2016 21:28
Just not popping for me. I know I got at least 15 zombies on four different occasions on different areas on the map. I wonder if all damage must come from the KT-4 (i.e., don't shoot and finish off with the KT)? Or if you must now use only the upgraded version of KT on XB1?
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By P0LAR COWBOY on 05 Jul 2016 18:26
Yeh mate defo glitched. Done it about 15 times and still not popped.
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By SCJ365 on 14 Jul 2016 12:20
definitely bugged. i was watching my score and on one shot it went up about 2000 points from all the kills. way more than 10 zombies. horrendous. will keep trying.
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By ShadyShall on 26 Jul 2016 16:11
Has anyone found a way that will make this one pop? I have done it soooo many times and it's still locked.
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By Humphree Jonson on 28 Jul 2016 22:03
I got it by getting backed into a corner and I shot off a bunch of shots at once. Seems to me it doesn't have to be just one shot. But can't confirm. Hope this helps.
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By Humphree Jonson on 31 Jul 2016 04:16
I did 1 shot about 10 times and it didn't pop. Shot 2 shots in panic when I was trapped and the achievement unlocked... Glitchy stuff...
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By LordFightALot on 20 Aug 2016 15:14
I still don't have this but my theory is that you need to kill exactly 10 zombies for this to unlock. @LordFightALot did you use charged shots or regular shots when yours popped?
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By Clubmau5 on 20 Aug 2016 20:25
I'm also having trouble with this achievement. I've done it about 30 times now and I've also tried the other listed methods like firing a 2nd shot. Anyone have any other tips? :(
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By SnD ACiD RAiN on 21 Aug 2016 16:06
Just got the achievement first try with the Masamune. Seems like trying to get it with the KT-4 is glitched, but the upgraded version is no problem.
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By Clubmau5 on 23 Aug 2016 04:59
I did use two charged shots! Good to hear that the Masamune works better!
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By LordFightALot on 24 Aug 2016 09:25
I agree 100% with ThorsBaldEagle. You need to shoot 2 charged shots separated by a few seconds. I tried doing a single charged shot and killed 15+ zombies 10+ times. I tried two charged shots, killed the same amount and the achievement popped the first try. Maybe I just got lucky but I don't think so.
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By bubba4114 on 21 Jan 2017 05:53
thank you ThorsBaldEagle and bubba4114... 1 shot wasn't working and 2 shots did it.
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By Vareeh on 24 Jan 2017 11:27
I just did it several times and it didn't pop for me. I tried it a few times in one game and then died. I started another game and did it a bunch of times and I even got about 23 kills on the one shot and it didn't give me the achievement.
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By robertaajr on 16 Jul 2016 13:34
I don't think its glitched, rather the description is wrong. Finally managed to get this pop with the KT4 (not upgraded). Did it by getting a chain of 10 zombie explosions, but with 2 shots slightly delayed from each other. As the 1st charged shot is dying off, fire a 2nd charged shot, hope this helps others without having to go through the upgrade process.
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By ThorsBaldEagle on 04 Sep 2016 15:23
View all 24 comments Show less comments
Here is the solution how to get through this achievement without getting mad (as I started to be and plenty of you as well).
Do not know whether the cheevo is glitched or not, but this simply guide will let you through.

Despite the fact the cheevo description says "kill 10 zombies with a SINGLE shot of the KT-4", do not hesitate to shot an energized one (pul RT and wait for a second), then hit the ground in front of zombie train. Then step back a bit, pul another energized one and hit into the same bunch of assholes...
Few seconds later.... tram-ta-da-daaaa! Cheevo is there!

No peck-a-punch KT-4 is needed.
I suffered as many of you with several games, multiple +15 to +20 kills, nothing happened. The first try I made with double shot, brought me a cheevo.

Good luck and I know you make it :-)
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16 Apr 2017 17:11

1 Comment
Worked first try by firing two charged shots after a couple of failed attempts of firing just one shot.
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By LordMakanaki on 09 Dec 2023 11:28
This trophy guide is for Crop Duster which requires you to kill a minimum of 10 zombies with a single shot of the KT-4.

To earn this you must first build the KT-4.
This requires you to find the 3 buildable parts scattered throughout the map.

Green Vial
Found randomly by killing a zombie with a green mist exuding from it. Once the zombie has been killed, pick the vial up from the ground

Purple Spider Serum
After power has been activated in Lab A (Near the blue water source) lower the cage found within the lab. Inside the cage will be a severed arm with a purple mist coming from it. At the next opportunity that a spider is chasing you, move near the cage and the spider will enter it. Run up into the lab and raise the cage up. A needle will kill the spider and a purple vial of serum will be available to collect.

Plant
Located in the very back of the bunker. Enter the farthest doors from the entrance into the area with yellow stasis tanks containing test subjects. Go down the stairs and into the door with Mule Kick. There will be an area to go under water. At the very end of this passageway will be a plant on the ground, collect it and then leave the water tunnel. (There will be two areas to surface for air at the beginning, but further down you will need to shoot at orange spores for air.) This is also the same area you find the valve piece to open the Pack-a-Punch..

You now have all the parts to build the KT-4. In the Division 9 test lab, at the very back of the bunker, near where you retrieved the plant for the KT-4, is a special buildable station specific to the KT-4. Go up to it and press cn_S. A few seconds later and you can take the weapon from the workbench.

I found the easiest way to earn this trophy was to run zombies in circles underneath Lab B, once I knew I had 10-15 in a large group, I held down the fire button to charge up a shot, spun around and shot at the closest zombie to me. The KT-4 creates an acidic area of effect blast which kills anything that runs into it. Overall the hardest part of the trophy is building the KT-4, which becomes easier and easier the more you build it.
If it doesn't pop for you, you may not have gotten 10 like you thought you did, so just try it again. This is a powerful weapon and works very well up into the higher rounds.

Heres a video by PowerPyx showing you how to get it.
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09 May 2016 17:51

Joshua above has done a great job explaining how to build the wonder weapon. You could either do the easter egg and then with the length of the catwalk you'll easily kill more than 10 more likely 20 zombies with one charged up shot. or I would Stand at the plane trap and kill them there because most zombies will appear in front of you in the narrow entrance with only a few behind smile
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24 Dec 2016 01:20

To build the KT-4, you’ll need 3 parts scattered around the map. See Sanguine Serum or Seeds of Doubt for how to build it.

To kill zombies with it, you can either fire a regular shot with , or hold it down to make a more powerful attack. It’s best to use the powerful attack.

Try to get as many zombies on you at once by running circles around any area, then fire a charged shot into the floor in front of you to make a puddle of acid. Then keep running over the puddle to make zombies follow you and they’ll die while on it.

If you managed to kill 10 at once, you’ll get the trophy. But sometimes it can be finicky and you might think you got 10 kills, but for some reason not all of them will die. So keep trying and it will unlock eventually!

If you're having trouble you can always try the upgraded version, the Masamune, and it will make the trophy easier!

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Assembling KT-4 (or taking it out of the box)
Video guide https://www.youtube.com/watch?v=r5uUEZTaL-o
Then we collect a bunch of zombies and hold fire (if you hold then the shot is more powerful and longer)
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21 Apr 2016 18:11

1 Comment
The trophy may not appear immediately. In its normal state, the KT-4 fires two charges, and when charged (hold - six. You must hit 10 zombies with one of them. A good place is around Lab A, there are narrow passages there. You can shoot the first zombie in the crowd at the ground or in the chest. If the trophy does not drop, then upgrade CT-4 (Masamune). For each zombie you kill you should receive 100 points, i.e. 10x100.
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By Urfin_Dzhus on 02 Oct 2017 10:08
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25 Apr 2016 08:26