Did you skip over the escort Rishe mission or something? I swear by land sea and air, I have never experienced anything as horrid and poorly designed as that. Every time I tried to take a second or two to rest my team at a base, this b*tch decides to just run on ahead and take on a mountain troll or two by herself and she is a medic. Oh and speaking of being a medic she never actually heals your team which is why you have to do the above in the first place.
In the end I had to start tactically blocking her pathways off, so my team had a chance to recover while she prowled about searching for a new way to get herself killed. Not only did this make this level excruciatingly slow but as a real cherry on the cake by turn like 49 she randomly decides, 'oh hey, btw I dont actually want to clear this mission I want to see you have to reload and try to do it all over again' and then runs away from the clear point and I lose on time!
I eventually managed to clear this mission but by lord I hope I never have to cater to an AI like I did her in this game, or any game for that matter, ever again. Have no idea why Eushully didnt just make her controllable.