Lich with fear of kubrows being afraid of my converted lich.

[CephalonF]

First time the converted lich appeared and retreated well before the active lich attacked, but approximately half a minute into the fight active lich got scared seemingly for no reason.
Second time the converted lich appeared simultaneously with the active lich's attack and the active lich got scared again.
Those were the only two times she got scared out of the entire day I've been trying to kill her and also the only two times my recently converted lich ever appeared during a mission, so I figured this isn't a coincidence.

Can't provide more info because that happened only twice and I couldn't catch a proper screenshot, but will provide one if I get the chance.