40k RPG Master Armoury -Soubirous Power Pack

Requirements
Weapon category	Ranged
Weapon class	Basic, Heavy, Mounted, Pistol, Thrown
Weapon type	Las
Modifiers
Damage type	Energy
Special effect	Warp Creatures Taking Damage Must Make A Warp Instability Test.
Aquisition
Cost	150
Availability	Very Rare
Source	Dark Heresy - Daemon Hunter pg. 74