Zealous Focus aura is stuck permanently on my main character and on Edér, I think it happened when i respeced Pallegina but I'm not entirely sure as I didn't notice it at once.
Also the buffs from weapon Rännig's Wrath is stuck on my main character even if it's equipped on Pallegina. If I reequip the weapon on my main he loses the buffs but noone can ever get the buffs again. I think it happened when I enchanted "Insistence" onto Rännigs Wrath, but again I'm not sure as I didn't notice it until later.
This savegame also has a main character that lost all watcher skills, but I see that