Granted, Entropy 4 can just give someone a disease, so Jesse is overcomplicating the matter and I really don't think this oculd be anything but Vulgar Magic, but....
NGL, as a forever-GM, I take personal pride in "allowing" all sorts of shenanigans at char gen & beyond with a gentle disclaimer toward balance (see: prev. post re: red=fireproof scarf) like a sort of karmic layaway. Nothing stopping the bright-eyed folk hero fresh outta the noob fields from inheriting a Holy Avenger... when said blade is secretly a storied artifact named in the obscure scripture of a rising cult power, et al. 🤷🏼♂️