The Adversary is the first full-length album by Australiandeathcore band Thy Art Is Murder. The album was released on July 16, 2010 through Skull and Bone Records. It is the first release to feature vocalist Chris "CJ" McMahon and last release to feature guitarist Gary Markowski and bassist Mick Low. Guitarist Sean Delander replaced Mick Low on bass and Andy Marsh and Tom Brown joined as the new guitarists on the album Hate.