The evil organization try to turn Mr. Burns into a Nobody, find out he doesn't have a heart already, get freaked out.

"Well, Xehanort, I made it, despite your time travel shenanigans."
"Ah, Eraqus, welcome! I hope you're ready for some unforgettable ice cream!"
"Eh."
"Oh ye darkness! The ice cream is melted! …But, what if I were to use darkness and disguise it as ice cream? Oh ho ho ho, delightfully devilish, Xehanort!"
"Wha… XEHANORT!"
"ERAQUS! I was just, uh… helping Terra get the Mark of Mastery. No darkness whatsoever. Care to join me?"
"…"
"Phew!"