I think someone in the group will get their bending taken, maybe mako *silent fist-pump* What i HOPE for is very different
Some kickass Iroh
Something to do with Zuko's daughter, his sister and/or his mother
Korra in Avatar State
More Lin kicking ass, possibly with Iroh as back-up or Lin as Iroh's backup
MORE TAHNO POSSIBLY HAVING LEARNED A WEAPON AND KICKING ASS
More Asami
MORE BOLIN
MORE PABU AND NAGA
and, last but not least
AMMOOOOOOONNNNNNN
i don't care if we see what's under the mask. I. JUST. WANT. AMON. NAOW.
Oh, and something to do with the spirits dammit! Where the f*ck have they been all this time!?