Board Thread:General Discussion/@comment-26965399-20160928003947/@comment-5759915-20170112155134

Also, regarding the "why would ma even thing of sleeping with her son" question, I can think of two reasons: the 1st (and most important) is that Ma wanted to see the result of a child born from the soul milkshake that is herself, and her potentially m son (IIRC it was written that Gallerian could've become a sorcerer); the 2nd is that Ma has different personalities, so maybe the prevalent soul was of Elluka when she gave birth to Gallerian, and then "switched" to Eve when she came to do the deed