Board Thread:General Discussion/@comment-24499616-20140203040252/@comment-6007020-20140215040048

I have different thoughts on this and came to a conclusion. Blut Vene is a Quincy ability, but a rather new one. Yes, it's powered by Quincy blood infused with Reishi, and we haven't seen anyone but the Vandenreich and Ichigo use it, so I like think that Ywach has active control of all Quincy abilities, since they're all his decendants and carry his blood. He even mentions 'changing the vene' at one point if I recall, so he can adjust what the others can do.

Would it be a stretch for him to do this to all Quincies while they waited in the shadows, and only the ones around him properly knew how to use it? Ichigo's only activated when his soul was reintroduced to its Quincy roots, so maybe the Ishidas just needed to be reintroduced to other Quincy reiatsu?