A crackling black sphere gathers around your outspread hand. You can smite a nearby foe with it, or else fling it at a distant enemy.

At-Will   ✦     Arcane, Implement, Necrotic, Psychic
Standard Action      Melee touch or Ranged 10

Target: One creature

Attack: Charisma or Constitution vs. Fortitude

Hit: 1d8 + Charisma modifier or Constitution modifier necrotic and psychic damage, and the target grants combat advantage until the end of your next turn.
Level 21: 2d8 + Charisma or Constitution modifier necrotic and psychic damage.

  Sorcerer-King Pact: If you spend your fell might, the target takes 1d8 extra damage.

Published in Dark Sun Campaign Setting, page(s) 94.