Synonyms: Prayer of Fanatism, For Glory !, Bard's song
Warcry is a Prowess, this special kind of Feat can't be acquired unless the character has Divine Touch. A Prowess is a special action that can only be done once per scenario. Like any Feat, it can be acquired only once.
Your shout encourages all your allies to fight against all odds.
You and all your allies have the Courage Feat momentarily.