Toward Ecosophy

Yes, have experienced significant side effects. Talismans are extraordinarily potent, and they have influences on the physical plane (this may be hard for materialists to accept, but so be it), not merely the other "subtle" or "inner" planes (speaking loosely). You might want to consult Picatrix for some of these. Do the calculations correctly and check and double check, for gods' sake, else it can be like drinking from the proverbial firehose.

Axé and all blessings in your endeavors...