Shem Ham-mephorash

“(Hebrew השם המפורש "Hashem Hamephorash”) The “separated name,” or the “name of extension, or “the blessed name.” Specifically, a name of God that has 72 aspects and is hidden in the original Hebrew of Exodus 14:19-21. It is said that there are two versions: one positive, corresponding to White Magic, and one negative, corresponding to Black Magic.”