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Acrobat's escape
rogue utility 10

Prerequisite: Acrobatics trained

Trigger: an enemy enters a square adjacent to you.

Target: the triggering enemy

Effect: "The target is immobilized until the start of its next turn. You then shift a number of squares up to your Dexterity modifier to a square that is not adjacent to the target."[HotFL:184]

Acrobat's escape is an encounter power available to rogues at 10th level.