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Star shackles
warlock attack 1

Target: each enemy within the burst

Attack: Charisma vs. Fortitude

Hit: "1d6 + Charisma modifier damage, and the target is grabbed. If the target attempts to escape, use your Fortitude or Reflex."

Sustain standard: "Those this power still has grabbed take 1d6 + Charisma modifier damage when you sustain this power. After you sustain this power, you can use a minor action to use this power's attack on one target the power doesn't have grabbed within 2 squares of a target the power does have grabbed."[Dr374:22]

Star shackles is a daily power available to warlocks at 1st level.

Star shackles was introduced in "White Lotus Academy" by Peter Schaefer in Dragon #374.