Blackout

Unlimited range
Instant
The Blackout absorbs 50000 Healing on the target, when Blackout is removed or expires it causes 204750 to 215250 Shadow damage to enemies within 8 yards, splitting the damage with everyone hit by the Blackout.

Aura tooltip

Absorbs 50000 Healing. Inflicts 204750 to 215250 Shadow damage split to allies within 8 yards when the aura is removed or expires.
15 seconds remaining

Effect #1

Apply Aura: Unknown aura #301 (127)
Value: 50000