point blank explosion of the heart

South leaped towards Walpurgis, and his body began to expand, before unleashing an explosive force, mere inches from her face. The last drops of his power, all to kill the Witch.
But Walpurgis stood there, more annoyed than anything, with nothing but her hair getting messy by the shockwave.
Nearby, the explosion had completely engulfed Truss East, who could barely understand what happened before his body completely burnt to ash.
"...Is this the best you have, Alcestis?" she demanded.