Devout Warpriest Utility 12Bulwark of Stone
A rocky barrier emerges from the ground at your command.
Daily Conjuration, Divine
Standard Action Area wall 8 within 10 squares
Effect: You conjure a wall of rough stone that acts as blocking terrain. The wall can be up to 4 squares high and must be on a solid surface. While you or an ally stand on the wall or are adjacent to the wall, that character gains a +2 power bonus to all defenses. Each square of the wall has 100 hit points and crumbles into difficult terrain if it is destroyed. The whole wall crumbles into difficult terrain at the end of the encounter.
Published in Dragon Magazine 392.