Idrohan is the brother Flynn finding, Identical looks, also a snake but since idrohan is a...

Idrohan is the brother Flynn finding, Identical looks, also a snake but since idrohan is a half, how did he became Andrea? Well it's because when he ascends as a dragon he lost his memory, and usually in many books, when a person ascends even if it's to dragon, goddess, and etc. they always lost their memories lol