Altaïr Ibn-La'Ahad was a Syrian-born member of the Levantine Brotherhood of Assassins and served as theirMentor from 1191 until his death in 1257. During his tenure as Mentor, Altaïr made several discoveries and inventions that greatly helped the Order's progression. His leadership saw to the spread of the Assassins' influence in the Old World. Raised to be an Assassin from birth, Altaïr became a Master Assassin at age 25, the youngest ever to obtain the rank. He failed to recover an Apple of Eden from Robert de Sablé in July 1191 and subsequently allowed the Templars to attack the town of Masyaf, headquarters of the Assassins. For this, he was demoted to the rank of novice and sent on a quest for redemption.