Buff Immunity means they can't proc new buffs while it's active. It won't remove active buffs. Angela's sig allows her to reduce the chance of buffs being nullified.
Black widow Claire Voyant Buff Immunity does not work as intended and some buffs still stay while it is triggered
Buff Immunity means they can't proc new buffs while it's active. It won't remove active buffs. Angela's sig allows her to reduce the chance of buffs being nullified. No, it is supposed to remove all buffs and prevent them for appearing while the immunity is up.
It's been like this for ages. Like coat hanger said some in game interaction causing problems. It happens agaisnt Angela and mystic Conditioning Hyperion for me.