Quote Originally Posted by Neo Emolga View Post
"...But he got into a deep conversation about it, telling me that there's some kind of parasitic, demonic force in each of these Stalkers that gives them dark supernatural power or something like that. And he also said it's impossible to dig it out by any means other than plain ol' death once they've found a 'conduit' or whatever the hell he called it..."
Quote taken from the Fetcher interview, who was explicitly tasked with getting the samples for Adis. Bolded bit most important.

I think that this proves the point that the Sin Purge Ritual 'saves' in only that it is a merciful death. A merciful death that we can deliver.