Looks like the King of Hell had an invitation.

Interesting.

In the blink of an eye, he just teleports to the #𝐔𝐍𝐌𝐄𝐈 headquarters.

"Ah... interesting, you can feel a little something in the air... Well. Might as see what the Multiverse has to offer~"

Yes, the King of Hell has joined #𝐔𝐍𝐌𝐄𝐈.