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“Moving your rook like this”—Sam swapped the white tower and white king—“is called ‘castling.’ It protects the most important piece on the board.”
“The queen is more powerful,” Jack pointed out.
“True, but power doesn’t automatically make someone important. It’s what you do with your power that matters.”
“Like how you, Dean, and Cas work so hard to protect what’s important.” Jack touched the white castle and king.
Sam nodded. “The Family Business.”
Jack rolled his shoulders, flexing invisible wings. “I want to do that. I want to use my power for good.”
Sam smiled. “You already do.”