This page will show you some of the best Infiltrator builds in Mass Effect 3. Here, you’ll find details on the best abilities to pick, the best weapons to equip, and you’ll find what armor works best for the build. Finally, you’ll have builds included for the squad mates that accompany this build.

Infiltrator Overview¶

Infiltrators are Tech and Combat specialists, they have a unique ability in their Tactical Cloak which allows them to go invisible for a short while, this makes enemies not being able to target them when they’re in this state, and it also increases your damage. Although they are deadly at any range, they are particularly adept with a Sniper Rifle.

Tactical Cloak Sniper Build¶

This build revolves around using your Tactical Cloak bonuses to get a 40% damage increase whilst you take an uninterrupted headshot. Use Energy Drain and Garrus’ Overload to shred enemy shields whilst Liara controls the enemies with her Biotic Powers.

Powers¶

This section will go into more detail on why the Powers are chosen for this particular build.

Tactical Cloak¶

Tactical Cloak is the bread and butter of any Infiltrator build, as it allows you to go invisible for a short duration, increasing your damage whilst its up. Furthermore, you can’t be targeted by enemies as long as you’re invisible.

Cryo Ammo¶

Cryo Ammo is more of a crowd control power, it can slow down enemies, and sometimes even freeze them in place, making it very useful for a Sniper build as it’ll make it easier to target headshots, often leading to one shot kills. The Damage Combo upgrade will give you an extra 50% damage from all sources to frozen enemies whilst also weakening their armor by 25%.

Disruptor Ammo¶

Disruptor Ammo is great to use against shielded enemies like Centurions or Marauders to strip them of their shields. This is great for battles against Cerberus operative as a majority of them sport shields.

Incinerate¶

Incinerate is a Tech power that can deal fire damage to enemies, it’s great against armored targets like the Atlas, and it can also stop enemies regenerating their health. Furthermore, by taking the final upgrade Freeze Combo, it’ll deal an extra 100% damage, and if the enemies are frozen from the Cryo Ammo, you can trigger a Tech Burst by hitting them with this.

Sticky Grenade¶

Sticky Grenades aren’t anything special, which is why we leave this at level 3. Saying that, they do have their uses, mainly because they’re not on a global cooldown like the rest of the powers, so they can be used whenever, provided you have some left, these can add a bit of extra damage to your arsenal at no cost. You could take the armor-piercing upgrade which would make them more useful but that would be at the cost of another power.

Sabotage¶

Sabotage is taken to use against synthetic enemies, and in Mass Effect 3, there are a lot. This power will allow you to hack unprotected synthetics like the husks, and have them turn on the allies. The upgrade paths chosen in this build, are less for control, and more about damage. Backfire will increase your damage by 30% to enemies when their weapons overheat, especially useful against the Geth, Explosive Hack will make synthetics explode dealing 350 damage in a 4-meter radius, and Tech Vulnerabiltiy will increase all your tech power damage by 100%, thus making Incinerate hit for major damage. Finally, the best part about Sabotage is its ability to hack enemy turrets, which there are a lot off.

Fitness¶

Maxing out the Fitness line will give you some much-needed survivability, increasing your Health and Shield bonus up to 50%, whilst decreasing your shield-recharge delay by 15%. It’s also vital for melee builds, but we’re not going that direction with this build.

Operational Mastery¶

Operational Mastery will allow you to maximize your offensive output by increasing the damage you deal with weapons whilst also reducing your weight, allowing you quicker casts of your powers. The last upgrade is particularly important for this build because it’ll increase your Sniper and headshot damage by 15%.

Bonus Power: Energy Drain¶

Energy Drain supplements an Infiltrators’ arsenal by giving you a reliable way to shred enemy shields without having to fully rely on squad mates. On top of that, it can refresh your shield by draining it from the enemies

Best Weapons¶

This section will talk about what weapons are best for this particular build. This build relies on having the strongest Sniper possible to allow for one shot kills.

Sniper Rifle¶

The Black Widow can be purchased from the Spectre Requisitions store on the Citadel for 125,000 credits.

With this build you’ll want to be focusing on weapons with one shot kill potential, for this reason, we’ve gone with the Black Widow. It does major damage, especially if you connect with a headshot, and it’s extremely accurate.

or

The M-98 Widow can be obtained during the Mission Priority: Thessia, on a ledge next to an Asari Sniper, if you miss it, it can be purchased from Kassa Fabrication on the Citadel.

Once again, this weapon is picked purely for its one shot kill potential, It’s very similar to the Black Widow in all ways other than it has a clip size of 1 instead of the Black Widow’s 3 as well as half the reserve ammunition. The bonus for this weapon is you can get it for free. It’s worth noting that the M-92 Mantis will make a great substitute until you can get either of these weapons.

Best Armor¶

This set will give you +50% Weapon Damage, and 5% Headshot damage. If you don’t want to hunt down individual pieces, you could use Armax Arsenal Armor which is arguably better, this can be acquired from the Mission N -7 Cerberus Attack (arms) and the rest at the stores.

Best Squadmates¶

As an Infiltrator, damage will be through the roof, but you’ll need help with enemy shields and barriers. For this reason, take Garrus equipped with a Sniper and bring Liara along for her crowd control abilities which is invaluable.

Liara Build¶

Garrus Build¶