If you are in need of protection, you need the Psychic Protection Course.

For higher levels of protection, khodams. You get the first khodam with the psychic protection course. There are more advanced khodams here:

Khodam Page

For those who want something that works instantly without having to train, I offer powerful psionic tools:

Magickal Defence System

Battle Station Plate

Exorcism Extreme Plate