Grond

"'Long had it been forging in the dark smithies of Mordor, and its hideous head, founded of black steel, was shaped in the likeness of a ravening wolf; on it spells of ruin lay. Grond they named it, in memory of the Hammer of the Underworld of old...'" In Shadow and Flame, Grond is a Hero Siege Unit for the Forces of Darkness faction of Mordor, and only appears in the Evil Campaign during the "Minas Tirith" mission.