You call out to the gods, demanding retribution against a foe who dares to strike at you or your allies and mercy for a foe who refrains from attacking.

Encounter   ✦     Divine, Implement, Radiant
Standard Action      Ranged 10

Target: One creature

Effect: If the target attacks you or your allies before the end of its next turn, the target takes 2d10 + your Wisdom modifier radiant damage at the end of that turn. If the target doesn't attack you or your allies before the end of its next turn, the target instead gains 5 temporary hit points at the end of that turn.

Published in Player's Handbook 2, page(s) 105.