The moment Joker is actually at eye level, Ginko sets a hand on his jaw - gently, not grabbing too hard - and tilts his head to get a better look at the section of stone. He presses at the skin under it carefully with his other hand, testing the depth of the petrification; at least Joker can still talk, so it's better than it could be.

He pauses to stare at Joker when he hears that, though he doesn't actually move his hands. "He did what? What the hell is going on?"