Buu

Summons a Psyfiend with 21,940 health for 12 sec beside you to attack the target at range with Psyflay. Psyflay Deals up to 1% of the target's total health in Shadow damage every 0.8 sec. Also slows their movement speed by 50% and reduces healing received by 50%.

Voidform sends out slow-moving bolts of Shadow energy at random locations every 0.5 sec for 3 sec, dealing 2,184 Shadow damage to all targets within 8 yds, and causing them to flee in Horror for 2 sec.

Step into the shadows when you cast Fade, avoiding all attacks and spells for 1 sec. Interrupt effects are not affected by Phase Shift.