When making a standard melee or ranged attack during the fight with Nym-Foe, it doesn't register that I actually did so, simply popping up the window with her action and going to the next turn as though I had hit "Wait". Some special skills still damage her, but any that use the weapon attacks produce the same result. This particular PC is a mercenary, which might be relevant as I recently did this very fight on this same version with my tech specialist PC, and had no issue.