C1494 Eye killing

undead seta s, covered with long hair, neither alive nor dead, endless.

This was the ancient book's description of them. It was said that they had an endless lifespan and an indestructible body.

It was said that the only way to deal with undead seta was to seal them or bury them.

They couldn't be killed at all.

Once upon a time, an immortal almost turned the undead seta into ashes