With an interposing attack, you give your companions the determination and the space to improve the tactical situation.

Encounter   ✦     Martial, Weapon
Standard Action      Melee weapon

Target: One creature.

Attack: Strength vs. AC

Hit: 3[W] + Strength modifier damage, and each of your allies adjacent to the target can make a saving throw and then shift 1 square as a free action.

  Tactical Presence: Each ally gains a power bonus to the saving throw equal to your Charisma modifier, and each can instead shift a number of squares equal to 1 + your Intelligence modifier.

Published in Martial Power, page(s) 110.