In preparation for Dishonored 2 last year, I played Dishonored and all it’s DLC to completion on PC. I preferred the DLC to the actual core game itself. It was just a bit weirder and darker, and it’s always cool if your character is voiced by Michael Madsen. The fact that your character Daud was on the other side of the law to begin with and had done some truly shady things really helped with pulling me into that dark macabre world, it also made his redemptive arc a lot more interesting.
I played most of Dishonored devoutly with a no-kill rule, which I think worked against my overall enjoyment of the game itself. Here’s a game in which you can summon rat swarms to devour your enemies, not that I ever used it! Dishonored is such an open game, in which there are so many options open to you, so many pathways through the levels, it seems a shame and out of character to just pick a kill or no-kill strategy. I think you have to approach it with a similar sense of openess - “I’m going to do whatever the Hell I want.” Why just kill your morally repugnant enemies, when you can cut out their tongues and force them to work as slaves in their own mines?