You bring forth storm clouds that exude droplets of liquid darkness, just like the rains of the massive cavern of Mutuz-Vot in the Underdark.

Daily   ✦     Arcane, Implement, Necrotic, Zone
Standard Action      Area burst 2 within 20 squares

Target: Each creature in the burst

Attack: Charisma vs. Fortitude

Hit: 3d8 + Charisma modifier necrotic damage.

Effect: The burst creates a zone of raining darkness that lasts until the end of your next turn. The zone's area is lightly obscured. Each creature that enters the zone or starts its turn there is blinded (save ends).

  Dark Pact: You ignore the zone's effect.

Sustain Minor: The zone persists.

Published in Arcane Power, page(s) 81.