Crane smiles. "Who's to say I haven't scared him?" The grin fades. "However, the Joker is so insane as to make traditional measurements of fear completely impractical in terms of recording his reactions. It is quite rare indeed for his reactions to fear to be completely normal... and those few times I have seen it, it has involved the Bat."

He represses a small internal shudder.

"Why, judging from his reactions, you wouldn't think him even slightly frightened by the idea of his 'true love' getting carved into pieces by a scythe."