Just beat Arkham City. (Still need to go back and do a ton of sidequests, missions, etc.)
Rocksteady has a pair of balls on them the size of New York City. That ending. That's exactly why Batman adheres to his principles.
"Hah! It's like we don't even have feelings. Now pardon me while I recline in my huge executive chair and guffaw, cigar in-hand. "
"ill just go with what Winslow always when something that funny about a location in monkey island is said"