User blog comment:Godisme/Foundation Stones/@comment-44061-20120321160508/@comment-1706259-20120321165355

No one is Aizen's master; Kubo couldnt even fully control him thus the deus ex machina (Dangai Hybrid Ichigo with FGT). Normally i would say time will fill all (or atleast most) of the blanks but I feel that Bleach will end with even more questions despite what Kubo may throw into it in databooks etc.