Descendants of Beorn
Mustering of the Rohirrim #151 (x3)
Event
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Response: When a Beorning ally you control leaves play, add 1 resource to a Beorning hero’s pool for each damage token that was on that ally (up to that ally’s printed hit points).

He tossed wolves and goblins from his path like straws and feathers. —The Hobbit