 The area remained under Ethiopian control for another century or so.However, starting around 1527 under the charismatic leadership of Imam Ahmad ibn Ibrihim al-Ghazi ("Gurey" in Somali, "Gragn" in Amharic, both meaning "left-handed), Adal revolted and invaded medieval Ethiopia.Regrouped Muslim armies with Ottoman support and arms marched into Ethiopia employing scorched earth tactics and slaughtered any Ethiopian that refused to convert from Ethiopian Orthodox Christianity to Islam.