Yeah I guess I’m not exactly going that far, just saying I think it’s in a pretty good spot right now. On the hardest base game difficulty I find it to be extremely reliable.
Your experience on cataclysm is valid. It’s the same problem every stealth character runs into in every elder scrolls game at high difficulty. Backstab sleeping peasant => “Help help I’m being repressed”. I see that crits + muderous prowess are your only gateway there.
I really don’t like the idea of internal cooldowns on invis but I think I see what you’re aiming for. The thing that seems kinda cheesy to me is the light attack crit slaying on ult. You can just delete so much with 4 seconds of guaranteed crit. When I used it I kind of intuitively did power attacks which was probably suboptimal. It also highly favors attack speed which is just weird for backstabs.
I feel like changing four seconds of crits on ult end to something like 5 guaranteed crits on ult start could work. That way you need to be judicious about where you swing but have more time to do it.
The other thing I want to say is I like the idea of not relying on vanish at all, making a high flank sapper build with cloak of mists, but the other talents on that row are basically useless because of how hard backstabs are without vanish. There’s some potential to shift the meta away from vanish to give CoM some interesting new identity as well.