Al Mualim's character is roughly based on Rashid ad-Din Sinan, who was the leader of the Syrian branch of the Hashshashin in 1191 and was nicknamed "The Old Man of the Mountain".
Al Mualimov lik je okvirno baziran na Rašidu ad-Din Sinanu, koji je bio vođa sirijskih Hashshashina 1191. i dobio nadimak "Starac iz Planina".