Original sentence: But after the deaths of the Dark Signers, Rex reveals himself to had became one of them during a duel with Rudger, having a birthmark on his back and control of the Earthbound Immortal Wiraqoacha Rasca
Edited sentence: But after the deaths of the Dark Signers, Rex reveals himself to had become one of them during a duel with Rudger, having a birthmark on his back and control of the Earthbound Immortal Wiraqoacha Rasca