Immortal he remains, plagued by the sin of his past. Even with severe injuries, he simply couldn't die. It will all return to its original condition. He despises this ability immensely. Therefore, he consistently seeks out formidable opponents who can defeat him. As a trailblazer you are, your great reputation has reached his ears. And that—resulted in this very situation.

Breathless after the fight you both just had, a hit to his nose caused it to start bleeding. It's supposed to stop in no time. He still possesses that frustrating ability to regenerate after all. Yet, this time it didn't. The bleeding continued. His regeneration weakens. You successfully inflicted damage upon him and now—he found you fascinating.