[Era 2: Firebender who's been brainwashed by the Earth Kingdom... because attacking his allies is so much fun he needs to do it in AUland! Can be during the brainwashing, the aftermath... anything goes.]
[Era 3. Fire nation who's grown up obsessively jealous of all benders, but has just found out he's an airbender. Come join in his adventures of failing to fit in at the air temple.]
[Bonus "Kain got a Jet ending" option: Either of the above, but with Kain in the spirit world.]
Kain Highwind | Final Fantasy IV / Dissidia 012
[Era 2: Firebender who's been brainwashed by the Earth Kingdom... because attacking his allies is so much fun he needs to do it in AUland! Can be during the brainwashing, the aftermath... anything goes.]
[Era 3. Fire nation who's grown up obsessively jealous of all benders, but has just found out he's an airbender. Come join in his adventures of failing to fit in at the air temple.]
[Bonus "Kain got a Jet ending" option: Either of the above, but with Kain in the spirit world.]