Mei sprays a frost stream that does 45 damage per second, consuming 20 ammo each second. The stream also slows enemies, and if held on an enemy for 2 seconds, will freeze them in place for 1.5 seconds. Alternate Fire launches an icicle that does 75 damage at maximum, but is subject to damage falloff. This consumes 25 ammo and fires at 1.2 shots per second. This can deal headshots.