uncommon evocation monk 

Cast [>>] somatic, verbal

Area 30-foot burst

Saving Throw Fortitude

Grasping darkness surges from you, dealing 14d4 negative damage. Each creature in the area must attempt a Fortitude save.

Critical Success The creature is unaffected.Success The creature takes half damage and is enfeebled 1 for 1 round.Failure The creature takes full damage and is enfeebled 2 for 1 round.Critical Failure The creature takes double damage and is stunned 1, enfeebled 2 for 1 round, and immobilized for 1 round or until it Escapes, whichever comes first.

Heightened (+1) The negative damage increases by 2d4.

Advanced Player’s Guide, page 229.