Islam also integrated traces of an entity given authority over the lower world in some early writings: Iblis is regarded by some Sufis as the owner of this world, and humans must avoid the treasures of this world, since they would belong to him. In the Isma'ili Shia work "Umm al Kitab", Azazil's role resembles whose of the Gnostic demiurge. Like the demiurge, he is endowed with the ability to create his own world and seeks to imprison humans in the material world, but here, his power is limited and depends on the higher God. Such Gnostic anthropogenic can be found frequently among Isma'ili traditions. However, Ismailism were often criticised as non-Islamic. Ghazali characterized them as a group who are outwardly Shias but were actually adherence of a dualistic and philosophical religion. Further traces of Gnostic ideas can be found in Sufi anthropogenic. Like the gnostic conception of human beings imprisoned in matter, Sufi traditions acknowledge that the human soul is an accomplice of the material world and subject to bodily desires similar to the way archontic spheres envelop the pneuma. The Ruh must therefore gain victory over the lower and material-bound psyche, to overcome its animal nature. A human being captured by its animal desires, mistakenly claims autonomy and independence from the "higher God", thus resembling the lower deity in classical gnostic traditions. However, since the goal is not to abandon the created world, but just to free oneself from ones own lower desires, it can be disputed whether this can still be Gnostic, but rather a completion of the message of Muhammad. It seems that Gnostic ideas were an influential part of early Islamic development but later lost its influence. However the Gnostic light metaphorics and the idea of unity of existence still prevailed in later Islamic thought.