Fallout 3

There are 5 Super Mutant Behemoths in Washington D.C. I suggest that the Fat Man's mini-nukes should be used when fighting some of these beasts. However, three of the Behemoths are easily killed with out using the Fat Man. Here are there locations:

1. Outside Galaxy News Radio: You will encounter the first Behemoth during a main story mission. When the Behemoth attacks, you can stay back and let the Brotherhood of Steel soldiers take him out. This is where you pick up the Fat Man.

2. Evergreen Mills: Evergreen Mills is far west of Vault 101. The Behemoth is trapped behind an electric fence. Kill ever Raider in this area, and instead of opening the fence, kill the Behemoth with any weapon (Don't waste a mini nuke) by shooting him through the fence. It will take a while, but this is an easy way on killing him.

3. The Capital Wasteland: Head northeast of Evergreen Mills, and in a certain patch of ground on your map, this Behemoth is wandering about. It may take a while to find him, but when you do, use a mini-nuke. He is very deadly.

4. The Capitol Bulding: This is located deep in the heart of Washington D.C. The Behemoth is located in the basement of the building. Kill him through the door which he is too big to go through.

5. Takoma Industrial: Takoma is far to the east of GNR. Reach the Industrial, and look for this Behemoth in the backyard. Kill him with a mini-nuke.

Just a note with the Number 3's that everyone is mentioning (northeast of Evergreen Mills). If you are having trouble getting this guy to show up, go to the end of the train tracks where there are 3 trains that are knocked over. In the middle of these are two shopping cart cages. Inside one is a teddy bear. "Rescue" the teddy bear (take it) and the Behemoth will appear.

I think that is the Behemoth's teddy bear so he gets upset that you stole it and usually appears right away. Just be careful as you can get stuck in the trains with him blocking your exit and unable to use the mini-nukes without hitting yourself.

Other than that one, the other guys are correct in finding all 5.

Edit: As many have pointed out to me, it can take up to 2 minutes for this one to show up. So run around the trains a bit, and he should come running for you.

More information regarding Super Mutant Behemoths:

The only way to reach Takoma Industrial is through the metro. The only entrance to the metro that is linked to Takoma is Abernathy.

I found the number of Mini-Nukes it takes to kill a Behemoth per difficulty setting. The research was done at GNR using the original Fat Man. A Fat Man with better condition may take one less nuke on the easy difficulty setting, but the rest have been confirmed at a later point with a very pristine Fat Man.

The number of nukes (direct hits to the chest) is as follows:
On Very Easy: 1 Nuke
On Easy: 2 Nukes (1 if Fat Man is well maintained)
On Normal: 3 Nukes
On Hard: 3 Nukes
On Very Hard: 4 Nukes

An expierience guide:
On Very Easy: 25 XP (1x)
On Easy: 37 XP (1.5x)
On Normal: 50 XP (2x)
On Hard: 62 XP (2.5x)
On Very Hard: 75 XP (3x)

Some advice on damage taken (from your own nukes):

If you are cornered, use V.A.T.S. and target the head. This does minimal damage to yourself, and more to the Behemoth. When firing at the head, I only took about 20-60 damage out of my 290 heath max (on Normal Difficulty with full heath when firing and 18 armor). When firing at the legs/ground at a very similar distance, I was killed every time. Abdomen shots either killed me or left me with minimal health (0-50). Even upper torso/arms left me with 70-120. On any difficulty I advise only headshots if you are within 50 feet of the behemoth. As the difficulty increases, so does the advised distance. Even on Very Hard, headshots aren't fatal if you have more than about 80 health. A ground/leg shot on Very Hard was deadly within about 140 feet. When I had the Power Armor though, with full health (390), I could withstand a direct Nuke on Hard, so I think the information above is more helpful to anyone having problems with backlash from their own Nukes.

I hope that my experiments, data and other information can help you fight the Good Fight, and become a successful Behemoth head hunter. If you have any ideas for further testing, want to know my testing conditions, or anything else, just PM me, and I'll try to help.

For this achievement you need to kill each of the 5 Super Mutant Behemoths. Here's a list of the 5 locations so that you can mark them off as you kill the Behemoth in that location:
• Outside Galaxy News Radio
• Evergreen Mills
• The Capital Wasteland
• The Capitol Bulding
• Takoma Industrial

Given that you can pause the game and change the difficulty at any point you shouldn't have any difficulty with this achievement, if you're finding a particular Behemoth too hard try setting the difficulty lower. It's also a good idea to save the game before tackling a Behemoth. The last thing you want is to end up getting killed and having to work your way back to that location.

As for killing the Behemoths, I've linked in a video below which will show you how to get to each location and how to take down each Behemoth.

Once you kill the final Behemoth the achievement will unlock.

* ^{Credit to RoosterTeeth for the video}

There are five Super Mutant Behemoths in the game. You'll encounter at least one during the main questline. The other four are hidden in various areas, some of which will take some work to find.



Super Mutant Behemoths are much bigger and much tougher than their smaller brethren. However, the reward for killing one is usually great (at least one Mini Nuke, a few powerful weapons, and tons of ammo and caps... not to mention the achievement!).

Actually killing each one will not be easy, but there are plenty of tricks you can use to help you in your battles. One of the very best things you can do is create a Dart Gun. If you don't have the schematics, it is in your best interest to get them. There are three copies in the Wasteland, but you only need one to make your first Dart Gun. My suggestion is to travel to MDPL-05 Power Station, which is far to the northwest. If you open your World Map, you can find this location in the square that is diagonally to the southeast of the very top-left square (two down, two right). It is in the southwest corner of the square. Once here, you can squeeze through the fence and search the relatively small area for the schematic.

If you do not want to travel all the way out there, you can alternately purchase the schematics from Lydia in Tenpenny Tower (expect to spend around 1,000 caps, less if you have a high Barter) or complete Head of State, siding with the Abolitionists.

Once you have the schematic, you'll need:
• Surgical Tubing (1)
• Toy Car (1)
• Radscorpion Poison Gland (1)
• Paint Gun (1)

Specific locations of these components is beyond the scope of this guide, but other than at various shops, you can usually find the small blue Toy Cars in pre-war houses, Paint Guns in garages or factories, and Surgical Tubing around medical areas (this one is a little hard to see; check medical instrument trays). Any Radscorpion defeated drops at least one Gland.

You may wish to check the following achievement solutions for more information:


After you have these components, all you need to do is find a Work Bench and throw together a Dart Gun. The Dart Gun is a great stealth weapon; it is silent, it drains a target's HP for 8 seconds, and cripples both its legs! Super Mutant Behemoths are no exception. If you clear an area of other enemies and cripple the Behemoth's legs, you can back strafe in circles fast enough to stay away from the Mutant, which only has melee attacks.

At this point, whittling its health down with whatever weapons you have will be a leisurely and safe, yet somewhat long, process.

Beyond this tactic, the typical recommended method of taking down a Behemoth is heavy weaponry: Bottlecap Mines, Rocket Launchers, Nuka-Grenades, and Fat Man launchers will all work well, provided you stay at a safe distance.

Remember also that you can turn down the difficulty to Very Easy. This has no effect on obtaining the achievement. You will miss out on some experience this way, however (nothing too major, I do not think they give any more than a Deathclaw, for example).

The way I prefer to kill them requires the player to be fairly far into the game with an 'unarmed' build, but the method is hilarious and safe. When you have enough related perks (Paralyzing Palm being the key perk) and a high Unarmed skill (mine was in the mid-80s), you can use your devastating techniques to bring down the Behemoth in this manner:

1) Sneak (or run) up to the Behemoth and enter VATS as soon as possible. Empty your AP into your attacks. One of them should Paralyze him.
2) While it's on the ground, just punch it in the torso to whittle down its health (punching its head does not seem to do any damage). Alternately, use a powerful weapon to shoot it in the face.
3) By the time it gets back up again, your AP should be full. Repeat the process.

And now on to the locations (you do not have to kill them in this order):

1) The first Behemoth you will most likely encounter is during the main quest, Following in His Footsteps. Follow the steps in that quest until you reach Galaxy News Radio Plaza. After clearing out the regular Muties, run to the fountain in the middle and grab the Fat Man launcher from the dead Brotherhood member. The Behemoth will come crashing through some buses shortly. Since you have backup, this fight is not too difficult. Use the Fat Man to end the battle fast, or use regular weapons if you wish to save a Nuke.

2) This Behemoth is in the rotunda of the Capitol Building. I suggest going for this one early. The longer you wait (both level-wise and main quest wise), the more dangerous this area becomes (enemies become stronger and more numerous). If you have completed Three Dog's quest to boost the radio signal, you can fast travel to the Mall area. The Capitol Building is to the far east.

Be careful of the enemies as you approach. Either help them wipe each other out, or wait until the fighting dies down and mop up the survivors. This general strategy remains in effect for the interior areas as well.

Enter the West Entrance and proceed through the rooms and enemies, generally to the east. You will come across the rotunda fairly quickly, in which a heated battle is taking place involving a Behemoth. Stay out of the rotunda, since the Behemoth cannot leave (haha) and wipe out any other enemies. At this point it is a trivial matter to kill the Behemoth, as he will not be able to reach you if you stay out of the area.

3) This is the other really easy Behemoth. If you have not discovered Evergreen Mills, you can find it by heading to the fifth square from the bottom, fifth square from the left on your World Map. It is in the western-central part of this square (it is an almost straight walk west from Megaton).

Be careful when infiltrating Evergreen Mills; it is a Raider stronghold with plenty of traps. The main entrance to the area is on its east side, but I had success dropping in from the cliffs to the north, stopping occasionally to snipe Raiders. If you take the main entrance, watch out for snipers above and Frag Mines on the path. Once you are in the compound, wipe out all the Raiders while ignoring the Behemoth in the cage. Make sure you do not blow up the transformer; you want to keep it in the cage!

When the area is clear, head up the walkways on the north side of the area. From here you should have a clear shot at the Behemoth's head, and the Behemoth will stand there stupidly getting shot until it dies.

Alternately, you can stay up here and let the Behemoth loose by purposely blowing up the transformer. It will run around killing all the Raiders and losing a bit of health in the process.

4) Head directly west from Vault 101 (about three square lengths on your World Map) until you see some red container trucks at the base of a small cliff. This is slightly southwest of Jury Street Metro Station, should you have that location on your map.

Once here, take care of the Super Mutant rabble. In one of the containers, you will find a cage with a Teddy Bear inside. It is generally suggested that you open the cage, or at least approach it, as this seems to trigger the appearance of the Behemoth. You may need to either wait for it to run up (could take a minute or two) or look for it in the distance, especially if it gets caught up battling something else.

This particular fight is tough, and it is where you will want to employ aforementioned tactics. Try at least to cripple the Behemoth's legs with a Dart Gun, and you should be able to take it down without incurring too much damage. Beyond that, make sure you have some nice weaponry and plenty of healing items.

5) This is possibly the hardest mutant to locate. You will need to reach Takoma Park, but getting there requires work. Take the back entrance from Galaxy News Radio and enter the nearby Metro Junction. From here you'll want to find the exit that leads to Vernon Square (sort of in the northeast corner of the area; be careful as there are several other exits). Once out in this new area, you will see a location to the southeast, which is Vault-Tec Headquarters, and another location south of that (which is where you want to go). Unfortunately, because of the rubble, you'll have to head southwest, then south between some buildings, and then double back to the east and then north, all while fighting Super Mutants. The location, once you find it, is called Vernon East / Takoma Park.

Head through this straightforward tunnel. When you emerge, you will have to fight your way through even more Super Mutants. The area, however, is fairly linear! Head east down the road until you reach an open house. Travel through it and out the back door, and down a hill. At this point you will probably encounter a fight between some Talon Co Mercs and Super Mutants. Deal with them as you see fit and turn your attention to the water tower to the north. Head underneath it and you will finally see your Behemoth in the distance.

You can either fight this one the same way you did the last one, or you can head up to the truck that is next to the water tower and call a few strikes down on the Behemoth to whittle down its health (you may need to either use Repair or Science to fix it if it breaks).

The achievement should pop immediately upon the death of the fifth. If another party (e.g. some Talon Company Mercs) kills a Behemoth, this should not affect whether you get the achievement or not.

I found out a simple and easy wasy to kill the behemoth in evergreen mills and get a awesome show: first sneak up on the entire base by keeping up on the cliff then snipe the generator that keeps the fence electricuted then watch as the behemoth tears the raiders apart (you might need to help him get the ones that cower behind buildings) after the carnage he will have slightly low life shoot from the cliff or carefully make your way down the cliff face (yes you can do that) and kill him where he can hit you.

refer to TheMasonX's guide and Axe Argonian's guide for information and locations.

When you steal the teddy bear for the trainyard one, he always appears within one minute and thirty seconds of the theft. Also, for all Behemoths I've faced, if you have Dogmeat with you, it would be best to send him back to Vault 101, as behemoths often attack him, and not the guy with the Gatling Gun.

Tip: Having trouble with Behemoths try shooting them in the leg "pref with a Rail gun" that will slow'em right down & you dont need Mini nukes either just keep popping about at them with the 45 magnum if they cant walk there sitting ducks ,errrmm Behemoths :), The Behemoth in Takoma Industrial you can kill without firing a shot, go true the gate and in front of you is a van/coach thing go up the ramp to the roof there you will see a switch now click it and watch what happens :), you will need 33 science to refix it when it breaks though.

Although I never personally tried the Fat Man/Mini-Nuke method to kill the Behemoths, I did find a very easy way to kill them. If you've ever found the crashed alien spaceship, then you've probably found the extremely powerful Alien Blaster gun. With my Energy Weapons skill at 90, this thing does 84 damage per bullet. You do not need the Mothership Zeta DLC in order to find this area. It's 6 squares from the right and at the very top of the 4th box from the top of your world map. Once you have obtained this, you can easily kill each behemoth in the game with no worries of killing yourself. Simply use VATS to shoot him 3 times, it'll take nearly half of his life away and then just freely shoot him in the head until you get the pleasure of watching him turn to dust(if you critically hit him).