Hour of Wrath
The Dread Realm#144 (x3)
Event
[4]

Action: Choose a hero. Until the end of the phase, the chosen hero does not exhaust to attack or defend.

Valour Action: Choose a player. Until the end of the phase, each of that player's heroes do not exhaust to attack or defend.

These three were unscathed, for such was their fortune and the skill and might of their arms...
–The Return of the King