Incomming catfight. Jaina VS Sylvanas. Two big tittied warmongers in BDSM gear. Two enter the ring, only one may leave. Who will win? The crowd, of course. Place your bets!
Scenario 1: Jaina will just turn into a good person again with no explanation and Sylvanas gets defeated in a raid. She is put on trial by the nelfs, but she escapes to the Shadowlands thanks to Wrathion and raises an army of ghosts.
Scenario 2: Sylvanas kills Jaina which finally confirms her as the villain of BfA and we cut her down in a raid.
Scenario 3: Sylvanas will not face punishment for her deeds cause plot armor and bad writing. Jaina on the other hand will go full psycho and we kill her.
Scenario 4: Neither get any character development or punishment because Blizzard writing.