-Spoilers- Hey all, wanted to give another update to this issue. I loaded a save before I fought the Hag and played through that combat again, but this time I didn't go and fight the Mud Mephits afterwards. From there I went into the Underdark and fought a battle that was previously buggy the last time through, and this time all the enemies acted in combat. Unsure if it's the mud mephit fight that's causing that player character issue for me, but just happy to be able to continue my playthrough without that bug
