Torment presents the tale of Chainer, a Cabal dementia summoner, discovering the Mirari and rising through the ranks of the Cabal, rivaling the Cabal Patriarch himself, and his subsequential fall. Meanwhile Kamahl befriends Chainer, with whom he trains as a pit fighter and fights as an ally within the pits. All the while, Laquatus plots to gain control of the Mer Empire for himself.