[quote=@Flamelord]
Welp, Ruiko has been attacked, committed theoretical genocide of an entire planet, and has now been surrounded by sadistic, sociopathic murderers who have thus far expressed nothing resembling peaceful intentions. Expect a mental snap shortly. 
[/quote]

The Ethereal is actually Aizen and this was all part of keikaku to have her turn into a super weapon. Of course. Now the alien just needs to have a new mask with a smug smirk.