Remember in the earlier season, Tywin clocked Arya for calling him "My Lord" instead of "M'lord" saying only highborns use "My Lord". The way Arya in her disguise as a servant kept calling Walder Frey "My Lord" and he didn't even notice. He truly had it coming.
The Stark ended Bolton, Frey
The Lannisters ended Tully, Baratheon, Tyrell (all Great Houses)
Targaryens coming from the Narrow Sea
I'm ready for the three way showdowns before they reunite and gather what's left of them to fight the Night King
