... So horse mark wyld elf boi in the Old Forest who wants help getting off?You mean rape someone without being attacked? You see a NPC wandering about and your PC fucks them?
Or that goddess of the springs that will only let you sex her as a male or shemale, because if you have a vag at all, she's the one that dicks you?
Or what about Hashat that exclusively lets elves do the dirty without fighting?
Let's not forget about potentially never having to fight any of the foxes apart from Kuraho because they offer doing you/doing them as payment-
Oh wait, you said rape without fighting, not consensual sex...
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Yeah, I got nothing.
Unless you want something some people call "consenting non-consent," I don't think you'll find any mobs or NPCs you can sneak up on and stick your dick into their hole(s) without having to rough them up a bit.