Uh... Dang, I would reply directly to you my man, but for some reason the forums are telling me your post has been deleted... Weird. I lost about five minutes worth of typing there.
So you taught me a thing or two about Flesh Sacrifice. I didn't know the cost scaled per level, and that doubly sucks, since constitution gives you more HP per point per level, so it's like it's costing more twice over. But still. I think if it reduced you to 1 HP in exchange for the benefits it currently gives, I think it would still be somewhat strong, since you can just keep a ranger safe by outranging everything, and stackning up armor to boot.
Eh, I wrote a bunch more, but I'd rather not type it up again. I like what you're saying, though. Good discussion.
So what brings you here from the Steam forums?