Obloquy and the rest of Foe's gang are broken out of prison by the Supreme Council and are ordered to kill China Sorrows. After an initial failure at her estate, he creeps up on her in The Church of the Faceless and inflicts pain on China. However, China uses a rune that causes her thoughts to enter his mind and ravage it, leaving him in a presumably permanent vegetative state.
Obloquy is a Sensitive, who specialises in inflicting pain on others. He has telepathic abilities so that means he is able to control peoples minds. He used this against Ryan, when he invades his mind and tells him to be in pain, and the boy has to obey.