Abramelin

Abramelin was an Egyptian Magician that taught a method of self-initialization to the Jew Abraham Von Worm. This magical ritual to invoke your Holy Guardian angel was then described in the book Abraham wrote for his son. The book was then translated into English by Samuel Liddell MacGregor Mathers with the title The Sacred Magic of Abramelin the Mage.

The actual ritual is divided in three stages, each 6 month long. Each phase involves praying to Adonai and emphasize is put on the fear for God and Righteousness.