C321 Hot potato and big motorbike

The bead was black and about the size of a ping pong ball.

Upon closer inspection, the surface was not smooth at all. Only when they looked at the light did they realize that it was actually a surface composed of countless cross-sections. These cross-sections were all in the shape of five horns.

Staring at the cross section of one of the five symbols, one could see a small rune vaguely appear