Just watched my whole party getting killed one by one, unable to do anything because of a simple fear spell.
Fight vs Mardracht, round one: Fear. Not a single roll above 5 on the saving throws. Everybody's now fear locked because taking damage doesn't unfear them and there will be no further saving throw to end the effect.
So this was my Ironman run. Game Over.
A bit frustrating, to put it lightly.