Warlord Utility 22Defensive Ground
You identify a section of the battlefield that offers a defensive advantage, and you direct your allies to secure it.
Standard Action Close blast 3
Target: Each ally in the blast
Effect: Each ally in the blast gains temporary hit points equal to 5 + your Intelligence modifier or Wisdom modifier. The blast creates an area of defensible terrain. Until the end of the encounter, any ally within the area that has cover except that provided by intervening allies instead has superior cover.
Published in Martial Power 2, page(s) 93.