It's been a realllyyy long time since I've read it and the last thing I remember is him getting this weird metamorphosis power up thingy by going in this weird liquid. He was meant to stay in for a bit longer, but then he's forced to come out due to enemies. (At that point, because of the pain he is unable to fight properly, but still wins due to the pure power of his new body). Thank you in advance! ^^ Sorry ><
I'm quite sure this should be the yellow zone, some other user may correct me if I'm wrong there, but I'm also not in the mood to look for the exact chapter. This is why you need you use a reading list people