#and olenna...

Part 2:

1: Aegon Targaryen (books) is the real deal and he will survive

2: Jon Snow was arrogant at the start of asoiaf

3: Sansa ie a warg, but her abilities are very stunted and her connection is primarily in her dreams and a few conscious moments

4: The Tyrells are just Lannisters with flowers.

5: Daenerys's dragons aren't going to be that much of a help in the Long Night (and may actually be used against them or killed)

6: Lancel is the best Lannister

7: resurrected!Jon Snow is going to have a lot of his negative issues enlargened–arrogance, cruelty, coldness, jealousy