For example, if someone you "care about" dies, then you lift them up and down to the river, no matter how far it is.
So the dead one follow the water so the sins can be washed away while the soul goes to the
Or maybe, when you wrk for Dark Brotherhood, you have a special way to murder someone.
Not that you're a serial killer, but you have a ritual?
Maybe you use a special poison or lay a specific flower next to the victim?
I don't know, I just ask..