C2211 Break It Open

He doesn't know how long this little world can last.

But he was sure that he didn't have much time left.

It didn't mean that if the small world was destroyed, he would be able to leave this place, it wouldn't be that easy.

If the small world is destroyed, he'll die here.

No matter how vast the thaumaturgy is, it's useless.

"How do I leave?"

He walked around the world once