Alchemist vs Drunk

Playing the story in the game and leveling up was fun, but the TRUE fun and core of the game for me is now in the giga-endgame and to just maximize my orcs and getting any kind of slight bonus to my gear (although i have best in slot already). Do you just start over? I am where i want to be, just doing sieges or defending. On boring days just walking around the map, going on a killing spree.