 He has also been completely cut off from Heaven as a result of his rebellion and has lost some of his powers as a result, including his ability to heal injuries.He remains on Earth hunting for God, although acquires a cell phone so that the Winchesters can call for his aid when dealing with particularly challenging cases, such as their discovery of the Antichrist or their latest confrontation with the Trickster (who is revealed to be the lost archangel Gabriel).In "Abandon All Hope...", Castiel helps the Winchesters retrieve the Colt, and joins them on their hunt for Lucifer.