The current arena battle choices need a rework. AI tier shouldn't be tied to the battles, it should be a player option or something. it would be nice to set it on master and play all game modes, specially 2v2 and 3v3. Our hirelings skill level could not be tied to their AI tier.
Add fights against monsters. They already exist in the main game, why not? Use it to test the combat balance against them as well.
Add fights against monsters. They already exist in the main game, why not? Use it to test the combat balance against them as well.