>>717390606
>Go into the house on top of the hill instead of finding Karlach across the river
>Talk to the fake Paladins of Tyr
>Believe them that Karlach is evil and needs to die
>Fake paladins request that you bring them her head
>Find Karlach and tell her that you're there to kill her
>Kill Karlach
>You then get a cutscene of your character cutting off her head after you loot her corpse

It's really not worth it though since all you get is that Tyr sword you can get by just killing the Paladins anyways, plus you don't get Karlach obviously which is a negative if you don't hate her. Also Wyll doesn't get horny.