Prayer of Glory
|This article describes historical game content.|
You and nearby allies have 15% increased Attack, Cast and Movement Speed if you've Warcried Recently
Warcries cost no Mana 
Prayer of Glory was a notable Ascendancy passive skill for the Guardian that grants a temporary aura for 4 seconds after using a warcry, which grants increased attack, cast and movement speed to the player and allies. It also removes the cast time and mana cost for warcry skills.