The Joker smiles, both sides curling up slowly this time, as he fails to flinch when Xellos jerks. His own eyes are unblinking and searching, lids half lowered. "Such a pity you can't show me..." His tongue darts out to lick his lips, his hand reaching to rest on the wall behind them, supporting him as he leans in, voice low, "You make it sound so...entertaining." He tilts his head a little to the side.