Sounds (LW2)

Long War 2 adds a sound mechanic to tactical combat which affects Advent pods. As described in Enemy Patrol Behavior section of Mechanics pods will become aware of XCOM's presence on the map when they are within the radius of a sound. Once aware they will patrol towards the sound.

The following are sound ranges different sources with typical soldier vision range at 18 tiles:

Actions by Sound Range

Range	Action
0 Tiles	Grenade Launchers Holo-Targeters
4 Tiles	Combat Knives
6 Tiles	Swords Hunter's Axes Shadowkeeper
9 Tiles	Smoke & Flashbang Grenades
13 Tiles	Technical Flamethrower
17 Tiles	Pistols
18 Tiles	SMGs Bolt Casters Civilian yelling
20 Tiles	Rifles, Sniper Rifles, & Shotguns Gas Grenades Frost Bombs Sawed-off Shotguns Arc Throwers
24 Tiles	Cannons & LMGs Heavy Weapons SPARK Autocannons Frag, Plasma, Acid, & Incendiary Grenades
26 Tiles	Technical Rockets
33 Tiles	Shaped Charge