>>40872788
Daemon upgrades.
See these sigils as "Neuro-Mod blueprints"; Metaphysical instructions on how to upgrade your body and mind. Invasory rays of the Qlipha Samael here from Book of Sitra Achra Second Edition.
Makes you "highly unnatural anomalies" (the path towards becoming irl "great old ones" one day).
ie not for Casuals; leads to full time lifestyle.