The Phantom is the true form of Phantasmaraneae's where he has an out of control internal reactor that continuously creates magma at a temperature of one trillion degrees. The flames that cloak his body and the sheer heat from the magma are powerful enough to vaporize nearly anything in the vicinity. In this state, Phantasmaraneae himself has no way to cool down, and must simply remain until time runs out and he explodes into nothingness.