While it wonвЂ™t last very long, it gives you almost guaranteed freedom from enemy fire for a short time. Most of the enemies will switch to attacking the drone. ItвЂ™s particularly effective when there are a lot of enemies around. Pistols donвЂ™t have a lot of ammo, so use them only when needed.Д¬ombat Drone (or Attack Drone) should be used mainly for distraction. SMGs will do better damage per second than pistols, but their accuracy is too low for long distance. Take care to use the right weapon though. Weapon damage will be goood enough to finish them off. Once the enemyвЂ™s health is exposed, you can be a bit more aggressive. Biotic squad members in general will be the best for an Engineer. The best power against biotic barriers is Warp, so consider bringing a squad member that has it. They just donвЂ™t get the double damage bonus. Neither of those do that much damage overall, but Overload and Incinerate can still do damage to biotic barriers. Now for biotic barriers you only have Warp Ammo and possibly Attack Drone. Use that short time to put some bullets into them for supplemental damage. When an enemy loses its protection, they recoil briefly. For shields, armor, and health you just use Overload and Incinerate with every cooldown. The basic idea with this build is to slowly whittle away enemy defenses with your powers until their health is exposed. It can only stun enemies for a short time.Also, the much lower Warp of 2 ranks makes your weapon damage go down from +50% weapon damage to +25% weapon damage, a loss of 25% weapon damage against biotics barriers, armor, and health.In exchange for this you do get Cryo Blast and AI Hacking at pretty respectable 3 ranks each, so you get 2 good enemy disabling powers even though they are not boosted by your Demolisher power. A Combat Drone of 3 ranks canвЂ™t do any damage whatsoever.

This is a nice well-rounded build, but you do lose some defense stripping ability. So your Engineer is able to strip any defense very effectively with this build, but you donвЂ™t have much capability to disable enemies. This extremely tight build forgoes two of the disabling powers in exchange for a maxed Combat Drone and Warp Ammo.Use Overload against shields, Incinerate against armor and health, and Attack Drone against biotic barriers.Your Warp Ammo will also help greatly with barriers. The second build has points in all 7 powers but only has 3 maxed powers. The first build specializes in 5 maxed powers.

There are two possible squad point distributions in which no squad points are left over. Since Demolishers get extra power damage, powers that strip defenses are the ones to focus on for this specialization. All of the powers that strip defenses can all do direct damage in some form. The Engineer powers can really be split down the line into powers that strip defenses and powers that disable enemies.

Mass effect 2 ammo powers