Not sure who to rank up. Leaning towards AA because I used my act 5 generic and 111 stones on him. Also to help with Labyrinth (haven’t started but I can one shot Rulk with SL). Going to start running map 6 once a week, and my war/map 5 teams are semi permanent.
Here’s the candidates:

And here are my current 4/55+:

Who and why? Please and thank you.