It's a straight-up ATLA riff on my part, actually.

AANG: Yay! ... wait, what exactly is that?

ZUKO: It's some kind of mystical gemstone.

AANG: Well don't touch it!

ZUKO: Why not?

AANG: I'm just very suspicious of giant glowing gems sitting on pedestals.

(ZUKO picks up the gemstone.)

Things proceeded from there in about the manner you'd expect anything involving Zuko making a decision of any kind to proceed in.

-Merc
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