C1604 The Mad Devil will Speak

"There's no need to think about it for now. You should know that when he was at the Level 3 of the King of Skeletons, he was able to heavily injure the peak of the Level 6 with a single sword strike.

Now that he has broken through again, and seeing the terrifying scene when he broke through, he might really be able to break through to the level of the King of Skeletons in one go