C374 The Demon King Was Xiao Yu!

When this realm was first sealed off, it was indeed home to some of the most formidable beings. Yet, as a million years have passed, even these supreme creatures couldn't endure the curse and have nearly all perished. Those that remain are often inherently flawed due to the curse, making their survival a rare feat. And those who do survive can hardly be compared to the true paragons of their kind