D&D4 Wiki
Ugly finish
rogue utility 6

Prerequisite: Intimidate trained

Trigger: You score a critical hit against an enemy with a melee attack or reduce an enemy to 0 hit points with a melee attack

Target: each enemy in burst

Effect: "Each target takes a -2 penalty to attack rolls and grants combat advantage until the end of your next turn."[MP2:62]

Ugly finish is a daily power available to rogues at 6th level.