I agree, the ability to create your own faction and control every aspect of it would be epic. In addition be able to battle against other factions for greater loot. Larger battles would be a lot of fun and require more management.
Battle sisters are welcome as long as its realistic, I prefer archers to be girls, they are fast and nimble. Also pub mama’s (gragas mom) are heavy tanks that could utilize some CC.
NOTE: A half naked girl with DD tits and an enchanted ultra-greatsword is not realistic.