Phase Armour
Phase Armour is worn by Warp Spider Exarchs and allows them to shift themselves, and all units around them, out of phase with the physical realm. They are not able to attack, but as long as they stay phased they are invulnerable from harm.[1]
Source
- 1: Warhammer 40,000: Dawn of War II - Retribution: Multiplayer - Phase Armour, wargear selection screen