The caster is surrounded by shadows. When a spell, melee or ranged attack hits the caster, the attacker will be struck for X Shadow damage. Attackers can only be damaged once every few seconds. This damage causes no threat. 3 charges. Lasts 10 min.
This spell should always be active. Due to it being instant it cannot be interrupted. Furthermore, it does good damage, especially with a decent amount of improved spell damage.
Especially for Shadow Priests, this spell is extremely powerful. In addition to its good damage, it has three chances to proc Blackout, Shadow Weaving, "passive" Vampiric Embrace healing, and spell hit procs, such as the one from [Mark of Defiance].