As your attack lands, you sense the reassuring presence of the unicorn and know that your foe cannot harm you.

Encounter   ✦     Charm, Divine, Radiant, Weapon
Standard Action      Melee or Ranged weapon

Target: One creature

Attack: Wisdom vs. Will

Hit: 1[W] + Wisdom modifier radiant damage. Until the end of your next turn, the target cannot target you with any attack, and it must make opportunity attacks against any creature within its reach that willingly attacks you.

Published in Neverwinter Campaign Setting, page(s) 55.