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The Geth Colossus is the largest geth ground unit.
|Armament||Siege Pulse Cannon|
Mass Accelerator Machine Guns
|Locations||Therum, Virmire, Ilos, Solcrum, Antibaar, Maji|
So long as you stay at long range or circle-strafe using the main cannon, four or five shots will bring a Colossus down once its shields are gone. Like Armatures, Colossi will bring their legs together before firing the Siege Pulse cannon, making it easy to avoid if you use the Mako's propulsion jets.
If it becomes necessary to engage a Colossus at close range, repeatedly ramming it with the Mako to prevent it from entering the Siege Pulse firing position can be an effective strategy. However, this leaves little or no time to engage other enemies and is therefore extremely dangerous unless the Colossus is alone.
If you want a huge XP award, it is possible to engage a Colossus on foot with a well-equipped and balanced team, but your talents and weapons must be high level to pull it off. First of all, you must keep your shields charged with Shield Boost or Barrier or the Colossus' machine guns will shred them and kill you. Switch to Tungsten Ammunition and use either an assault rifle or shotgun to attack.
The Colossus is too powerful for AI Hacking - use it on lesser geth to get help eroding its shields and use Warp to soften it up. Hit the Colossus with Lift or Singularity if you can, bearing in mind that the Colossus is so heavy that only a maxed-out Lift/Singularity talent or a combined Lift will get it off the ground. A Colossus also has a very slow health regeneration at higher difficulties or levels, so toxic ammunition can be useful in hampering this. It's shield regeneration can occur quickly if left alone, so keep pressure on the walker before it erases your progress.tech abilities like Sabotage and Damping are life savers to stop it from firing or using its Siege Pulse against you. If you are out in the open, keep moving and spread your team out if you can. Cover is a bonus, but while Armatures will usually just stand there and fire in your direction if you leave their line of sight, a Colossus will actually give chase once you begin your attack, so bear that in mind if you have to fall back. Given the slow speed of a Colossus, unless trapped, running away, firing at it the whole time while dodging the Siege Pulse attack, will work.
Bringing a Colossus down with the Mako and then hopping out to finish it is an effective tactic. Attack from the Mako until it is shieldless and reduced to 1/6th health. At this point, ram the Colossus and park the Mako on top of it. If you executed this correctly, the Colossus will be unable to stand up for quite a while, giving you ample time to finish it off on foot.
Another mixed tactic is to attack the Colossus from long range with the Mako from an area with decent cover where you can hide it from the Colossus' attacks. Once you have gotten the Colossus down to about 1/6th health or so, park the Mako in a safe place (behind a wall or on the other side of a hill from the Colossus) and send your squad members to the same hidden/protected area using the squad commands. Equip Shepard's sniper rifle and fire away. If you have done this correctly and your sniper rifle is reasonably strong, it should go down in a few shots.
Mass Effect 2 Edit
|Armament||Siege Pulse Cannon|
Mass Accelerator Machine Guns
There is one Colossus present on Haestrom, which acts as a level boss at the end of the mission to recruit Tali'Zorah vas Neema. A notable trait of this particular Colossus is that it is the Armature steel-gray, not white. Interestingly, the quarian marine Kal'Reegar calls the Colossus an "Armature-class" unit, indicating that at least quarians see it as a variation of the Armature.
The Colossus possesses a long-range siege pulse weapon and short-range mass accelerator machine guns. It should also be noted that the shots from the Colossus's main gun home in on whatever it is aiming at. This can make the fight very difficult. However, unlike in the original Mass Effect, this siege pulse will not kill in one hit, even on Insanity.
- The Colossus is protected with heavy shielding and armor. After destroying its shields, unload with heavy weapons and armor-damaging powers such as Incinerate or Warp. Once enough damage is done to its armor, it will collapse into a defensive position, enter into a self-repair mode and rapidly regenerate its shields. Damage done to armor is not repaired. When it enters its repair mode, wait until it stands back up before opening fire again.
- A good way to defeat the Colossus is to bring its shield down to half, then use the M-920 Cain to destroy it from across the field. On lower difficulties, it is not even necessary to bring down its shield to destroy it with the Cain.
- The Arc Projector can overload the Colossus' shields and armor with a few shots, making it easier to bring down.
- If you don't have the M-920 Cain, just make your way up the right side all the way to the area right on the side of the Colossus and chip away at the shields with Overload. Once you are at this spot the Colossus won't self-repair. Once you make it down to the armor just use whatever heavy weapon you have to take it down. The M-98 Widow and M-96 Mattock work fine as well, more so on lower difficulties. Alternatively, keep chipping away at it with Incinerate or Warp.
- Vanguards can try to immediately Charge at the Colossus, this should cause it to stop using its machine guns and rely only on the pulse cannon, giving players the chance to easily dispatch the Colossus. Using an SMG and squad powers to disable its shields are a good idea, followed by a salvo of shotgun shells with Incendiary/Inferno ammo. Players will have to constantly Charge at the Colossus, since other Geth will keep taking Shepard's shields down.
- Positioning teammates correctly can split incoming fire between them and Shepard, an ideal idea would be to have a sniper wielding teammate far enough that they can dodge the Colossus and other geth assaults, and chip away at the shielding and armor of the Colossus. This is only possible from certain angles, and may be troublesome if the squadmates or Shepard become overwhelmed.
- See also: Dossier: Tali