C316 Subterranean volcano

"How powerful is it?" I asked.

"I'm not sure!" But looking at the level of the demonic energy, it should at least be at the Demon King level! " Sword Soul said in a solemn voice, "The scariest thing is that his soul is extremely ancient, at least several thousand years old! I've never seen anything like it! "

"Demon King? Thousands of years of soul? Who exactly is it? "

I raised my eyebrows