Engineer (Long War)

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Engineer

The Engineer is a unique class that has no equivalent in vanilla XCOM, though they borrow some elements from the Grenadier Heavy and Support classes. Engineers are specialized in the use of grenades, with their starting Grenadier ability giving them two uses of each damaging grenade item they carry, and a bonus to grenade throwing range, and have several more perks to improve grenades further. Engineers also have access to perks improving their ability to destroy cover, and improving their use of the arc thrower.

Primary Weapons: Carbines, Assault Rifles, Battle Rifles, SMGs, Shotguns

Secondary Weapon: Pistols, Machine pistols, Sawed-off shotgun.

Class-Limited items: None.

Abilities

Rank	Ability
Specialist	Grenadier Allows 2 destructive grenades in a single inventory slot, and the soldier may throw grenades 20 percent further.
	No other bonuses.
Lance Corporal	Rapid Reaction If on Overwatch, confers a bonus reaction shot (to a maximum three shots total) for every reaction shot that is a hit.	Smoke Grenade Deploy a smoke grenade once per mission. The smoke confers +20 defense and prevents flanking for all enemy and allied units. Lasts 2 turns. Taking the perk on level up also allows an additional action after deploying a smoke grenade.	Sapper Increases grenade and proximity mine damage by +1. Also triples damage to the environment.
	Provides +3 Aim.	Provides +1 Aim.	No others bonuses.
Corporal	HEAT Warheads Your rockets and grenades do an additional 50% damage to robotic enemies after damage reduction is assessed.	Smoke & Mirrors Allows one additional use of all support grenades during each mission. It also increases charges from Smoke Grenade and Battlescanner perks by 1.	Holo-Targeting Shooting at or suppressing enemies confers +10 Aim to allies' attacks on those enemies until end of turn.
	No other bonuses.	No other bonuses.	Provides +2 Aim.
Sergeant	Ranger Confers +1 damage with primary weapons, rocket launchers, MEC secondary weapons and sidearms. Negates the long-range accuracy penalty with sidearms when shooting beyond 14 meters.	Suppression Fire a barrage that pins down a target, granting Opportunist reaction fire against it if it moves. Imposes a -30 penalty to aim and reduces range of many area-of-effect attacks, including grenades. Also negates overwatch from the target while suppression is active. Lastly, enemy AI prioritizes breaking the suppression by shooting the suppressor, so it functions as a mini-taunt. Not possible with shotguns, sniper rifles, or strike rifles.	Repair For X-Com, grants +2 Arc Thrower charges. On drones, allows repair of robotic units.
	No other bonuses.	No other bonuses.	No other bonuses.
Tech Sergeant	Extra Conditioning Confers 1-4 bonus health based on which type of armor is equipped. Heavier armor increases the bonus.	Dense Smoke Increases the defense bonus from smoke grenade from 20 to 40.	Battle Scanner Scanning device that, when thrown, creates a new source of vision for 2 turns. Grants 2 uses. Increases throw range for battle scanners by 70% (does not stack with other perks).
	Provides +3 Aim, +3 Will, +1 Mobility.	No other bonuses.	No other bonuses.
Gunnery Sergeant	Will to Survive Gain 1.5 Damage Reduction (DR) if in cover and not flanked.	Ready for Anything If the unit fires without taking any other costly action, it automatically enters overwatch at the end of its turn.	Packmaster Limited-use small items (including those from perks) receive 1 additional use.
	Provides +2 Will.	Provides +2 Aim.	No other bonuses.
Master Sergeant	Mayhem Confers +2 damage for suppression, SAWs, LMGs, explosive grenades, proximity mines and rocket launchers. Confers +4 damage for sniper and long rifles, marksman's, strike and reflex rifles using Standard Shot or Precision Shot.	Fire Rocket Fire a high explosive rocket using an equipped launcher.	Bombard Throw or launch grenades over exceptionally long distances (+50%).
	Provides +2 Aim, +2 Will.	Provides +4 Aim.	No other bonuses.

Stat Progression

Rank	/level	total	/level	total	/level*	total*
Specialist	1	1	2	2	5(1)	5(-6)
Lance Corporal	0	1	2	4	5(1)	10(-12)
Corporal	1	2	2	6	3(1)	13(-16)
Sergeant	0	2	2	8	3(1)	16(-20)
Tech Sergeant	1	3	2	10	3(1)	19(-24)
Gunnery Sergeant	0	3	2	12	3(1)	22(-28)
Master Sergeant	1	4	2	14	3(1)	25(-32)

• Note that even without Hidden Potential switched on there is a Random (1) Will per level. This is properly shown in brackets. Psionic soldiers receive additional random will as well.

Tactical Advice

Role: Offensive Support / Defensive Support

Engineers are a class largely based around items and special abilities. Their starting Grenadier perk allows them doubled offensive grenades and a throw range bonus, and they can boost their offensive grenades further with Sapper and Bombardier. With perks such as Smoke Grenade, Dense Smoke and Smoke and Mirrors, Engineers can also become extremely proficient with defensive grenades, such as smoke grenades, ghost grenades and flashbangs, since the range bonus from Grenadier and Bombardier applies (Bombardier even works with Battlescanners, which are also available as a perk). Engineers can also enjoy triple uses of the Arc Thrower with the Repair perk. Unfortunately, all of these roles compete for your limited item slots.

If you choose the Fire Rocket perk, note that you will be unable to select a sidearm any more. Also bear in mind that Rocket and Shredder Rocket items are restricted to the Rocketeer class, so an Engineer with a rocket launcher can only ever have the one rocket. On the other hand, with Sapper that one rocket will blow a very big hole in any cover you fire it at.

On the downside, Engineers have the worst aim progression of all classes, so should you manage to exhaust your special abilities Engineers are lacking in offensive ability. Their dependence on items means Engineers are hard pressed to spare an item slot for a defensive item such as Chitin Plating, which, since they need to be near the front to throw their grenades at enemies, can leave them a little lacking in defense.

See also

Long War: Soldiers
	Soldiers Assault Infantry Rocketeer Gunner Sniper Scout Medic Engineer
	MEC Troopers Marauder Valkyrie Archer Goliath Jaeger Pathfinder Guardian Shogun
	Officers Psionics Gene Mods S.H.I.V.s