Naruto watches the backs of his arms with interest as the bold rune-lined ink painted across his skin sinks away, invisible now that he 's no longer actively channeling chakra into the seal space. Kurama claims that rest alone should be enough for him to regenerate the remainder of his chakra now that he 's out of the danger zone, so Naruto leaves him to it. He has a bit of a puzzle to sort out anyway.

'What the heck am I supposed to do with all this? '

He asks, running his eyes over the stacks of books and shelves of strange artifacts looping around the room. A fresh little wave of relief washes through him when he gets an immediate answer, Kurama 's voice and presence slotting back into his consciousness like a missing puzzle piece.

~You said you activated a blood seal to get in here, right?~

'Mhm. '