What is the Ruling in Islam Concerning the Practice of Magic or Sorcery?
The practice of sihr (black or white magic/sorcery/witchcraft/obeah etc.) is considered an act of disbelief.
Evidence from the Noble Qur'an
{But the Devils disbelieved, teaching men sihr (magic and such things)}, {Soorah al-Baqarah, verse 102]
Evidence from the authentic Sunnah
((Avoid seven destroyers: Shirk, sihr…)), [Transmitted by Muslim]