"You. I know you. The Dream-breaker from Stormhaven. You will not slink away this time. Die, mortal!" --Vaermina reaction to encountering you in Apocrypha if you have previously killed her mortal lover, Galthis.

You can learn more here: en.uesp.net/wiki/Online:...

Online:Vaermina - The Unofficial Elder Scrolls Pages (UESP)