Board Thread:Questions and Answers/@comment-10797017-20130627100621/@comment-11051098-20130714224912

Ah, didn't think about that. So, Yhwach tried to get Aizen on his side, but failed. He wanted to try with Ichigo, but failed - and Ichigo would never accept anyway, especially now that he knows that Yhwach caused his mother's death.

Kenpachi was easily defeated, and not even by the real Yhwach, so he's probably out of the picture for the time being. But both Ichigo and Kenpachi have unlocked their true power, so I think they will be major obstacles for the Vandenreich in the future.