C92 Great Killing Weapon!

"Damn it, I can't cure you anymore. You're forcing me to bring out the big guns, aren't you?"

In that moment, Shatian was singularly focused on killing the insolent youth. Unable to contain himself any longer, he retrieved a treasured item he'd been keeping in his storage ring.

It was a perfectly square, pitch-black box. The crimson, vein-like patterns on its surface writhed incessantly