Just as the Paladins embody the epitome of the Grey Knights’ martial prowess, so the Purifiers demonstrate the best of their strength of purpose and founding principles. Purifiers are selected not for their skill at arms nor the glory of their deeds, but based on the purity of their souls and their single-minded devotion to their sacred purpose. Only the most pure of heart and clear of purpose can hope to face the most powerful foes of the Warp. The Purifiers stand apart from the Chapter, a secretive order within a secretive order. They have the sacred duty to maintain the seals and bindings on the Chapter’s daemonic prisoners and deal with the worst the Warp has to offer. In battle, Purifiers can turn their purity into a weapon, channelling it with their psychic talents to create an ether