 Although Metatron has hinted that he may be able to help Castiel with a remaining fragment of his original Grace, Castiel has rejected the option of making a deal with Metatron to save his own life.Sam and Dean remain ignorant of Castiel's fate, although Crowley is aware of Castiel's condition, at one point killing another angel to transfer her Grace to Castiel so that Castiel could help Sam cure the now-demonic Dean after he was transformed by the Mark of Cain.When Hannah decides to return to Heaven to give her vessel a chance at returning to her life, Castiel is prompted to look up Jimmy's daughter Claire Novak, revealing that Jimmy has been dead and in Heaven ever since Jimmy's body was destroyed during his first confrontation with Raphael.