There was stuff in there about adapting it for necromancy and raising a horde of zombies, although I don't know if that was Mammon's aim. I think he wanted absolute obedience, the sort where you need to be reminded to eat and breathe if not for him. The fucked up thing is Lucifer let this happen. He must know about the spell, and he's not doing a fucking thing to help.

[ The anger pools in his chest. Hot. Black. And then it dies when he remembers he and Yennefer have a plan if all else fails. Tech exhales, looking toward Wuxian and slowly getting up. He needs comfort, probably. And Tech knows Wuxian's not going to like blast him away with magic or anything, so he goes over and rests his hand on his friend's shoulder. ]

Yennefer and I are looking into it, though. We're gonna find a fix because if our overlords won't do shit, it's up to us. I can send you a translated copy of the spell if you wanna read over it all for yourself.