Otsutsuki Shibai was temporarily sealed inside a small glass ball as a joke by Chuanhe. Of course, the ball was perfectly ordinary and wouldn't explode.
Even the seal was made from the advanced chakra Otsutsuki Shibai was most familiar with, so it would take him quite some effort to break it.
They were naturally heading to the four-dimensional black hole Chuanhe had discovered back then. Only an entity like that could ensure the seal held someone like Otsutsuki Shibai, who was essentially a five-dimensional being.
The curvature engine Chuanhe had used in the past was pretty outdated, with an effect of roughly 409 times the speed of light. Now even Hui could create a curvature bubble with a speed of a million times the speed of light with his bare hands.
Actually, in...