Unique. Troll. One strike. May also be played following an Orc or Troll attack in a Shadow-land [s] or Shadow-hold [S].
"There they had been mastered for the sack of the City and the rape of Gondor, waiting on the call of their captain. He now was destroyed; but Gothmog the lietenant of Morgul had flung them into the fray.."
-LotRV