Of course, he'd been told that people become one with the Force when they die. He wouldn't claim that he understood it at the time. The way Luke talks makes it sound like Yoda would be able to talk to Obi-wan after his death. Is that just another way of using the Force? Cal supposes that would make sense, but it's difficult to wrap his head around, and he frowns slightly in thought.

"So he was trying to anger Master Kenobi?"