End of series Ryoga at his max depression. The world knows of his identity as P-chan and laughed their asses off at him. But the silver lining is, Akane STILL doesn't know and if he defeats Sauron, he gets to marry her.
Novel Sauron.
I don't know much about Sauron so if this is a stomp in any way, my apologies.
Standard rules
P.S. there is no cold water in the area.