Chapter 571 Who's the father?

Mamoru was horrified, covering the bloody hole in the left side of his face, where a moment before, his ear had grown! Who was it? Who shot his ear? Is it inadvertent, or ... is instructed by the upper peak to kill and exterminate him after using him? Not waiting for him to hiss out a curse, the succession of steel arrows that shot through his arms, legs and limbs plainly told him the answer he wanted.