It's a talent to stay as completely impassive at that as he does. There's not a flicker of irritation or denial. The head hasn't abandoned its legs, only death could part them. But Chrollo won't abide his own uselessness. It had been... temporary. But even without his polite mask in place, Chrollo would show none of that, least of all to a man as dangerous as Hisoka.

"I think your curiosity might be wasted." His smile looks open, as open as his palms of his half-spread arms when he gestures to himself. "They haven't given me much, so not much has changed since we last saw each other."

It's a half-truth. Not inaccurate, although he doesn't mention the... potential. His smile stays, a quiet challenge to Hisoka to sniff out the omission.