You can map the action directly to the right stick as others have mentioned. Or if you don't wanna deal with that type of micro management, you can disable all strike/magic artes you don't want her to use in the Artes menu and then change her strategy to to Magic artes only. I remember that working for me pretty well.shintoki said:Hits my Yuri for 200-300 damage min.
Also, how the fuck do I get AI to just attack? As much as I love Rita, I WANT HER TO USE SPELLS NOT MELEE