The type of stone... or the colour, maybe. Is it something that's tied to your powers?

（ that might not make much sense out of context. ichigo shakes his head once, and then: ）

I have an ability called Blut Vene. It's... here, it's easier to show you.

（ he has trouble controlling it, still. that part of his quincy heritage, denied longer than the other patchwork things that have knit him together in a tapestry of uncanny fate. but stygia made it paramount to learn, and so he'd... tried, there.

he gets up, and goes to the weapons rack. selects something sharp, and then turns its edge against his palm. blue, glimmering leylines shift out and away from the point of contact, and when he holds his palm up to demonstrate there is no sign of injury there. ）

The stone was the same colour for me.

（ it felt like a mockery, somehow. but sasuke's the only one he knows that might understand that part. to the rest, he only shrugs. being kept in the dark about things is honestly a more natural state for him than anything else, so it doesn't occur to him to resent it. ）

Maybe. But there's not much to do about it for now.