Mountain-trolls
Mountain-trolls were used by Sauron to wield the great battering-ram, Grond, at the Battle of the Pelennor Fields. There is no other known reference to mountain-trolls in the works of J.R.R.
Mountain-trolls were used by Sauron to wield the great battering-ram, Grond , at the Battle of the Pelennor Fields .