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Legacy

His murder was not well received by the residents of Khurasan, and there was resentment and rebellion among the population over the brutal methods used by Al-Mansur. He became a legendary figure for many in Persia, and several Persian heretics started revolts claiming he had not died and would return; the latter included his own propagandist Ishaq al-Turk, the Zoroastrian cleric Sunpadh in Nishapur, the Abu Muslimiyya subsect of the Kaysanites Shia, and al-Muqanna in Khurasan. Even Babak claimed descent from him.

There are different variations of legends about Abu Muslim and forms of his worship in Central Asia, Iran and Afghanistan. Depending on particular local traditions, some local saints are legitimized through an imaginary connection with Abu Muslim.