"Not exactly..." He speaks quietly, not wanting to lie. But he keeps his voice light as he walks over to the bowl of acid. He's done this before.

"Once you are down the demons will heal you, so you just need to stay calm for a few moments more."

And he just needed to stay calm, long enough to get the key and unlock the device. Somehow it's even worse this time, not just because she is a stranger rather than Nezumi- where saving him had happened before Shion even had time to think. But also because he knows how much this is going to hurt, knows from experience rather than just a academic knowledge of how acid works.