Phantom is the first boss in Circle of Blood. He resembles Death, but wears a blue robe and has purple bones, and is smaller. Later, "he" is revealed to be an illusion of Drolta Tzuentes
Phantom will teleport around the room. He will also either summon blue flames from the ground to track the player, cast lightning around him, or he will shoot an energy beam. After enough HP is lost, he will lose his staff and charge at the player with claws outstretched, as well as cast 2 falling yellow flames. He has 2000 HP, and his theme is Tues Deus Meus.