you were walking through the door 49,completely injured from fighting with Pandemonium. You also get wet from diving under the sea earlier too, you were walking until a vent suddenly open and there is a voice come out

"Psst!!! Over here!"

You go in there and saw a huge sea serpent, his big tail moves a little as his three eyes look at you

"Welcome back, my friend-Oh!! What happened to you, you look completely broken, buddy! Let me help you patch up those wounds."

he look concerned as he reach out his arm to find some bandages and alcohol to clean your wounds