Zhang Wuji is just a fictional Zoroastrianism leader in Jin Yong's novel "Eternal Dragon Slayer", and there is no such person in history.
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Zoroastrianism, also known as Manichaeism, originated from the Sassanian dynasty in ancient Persia and was founded by Persian Mani in the middle of the third century. Influenced by Christianity and Iranian Zoroastrianism Mazda, it is a Gnostic dualist religion. The main theory is two cases of San Ji's theory, which advocates light.
Mani claimed to be the prophet of God and the last prophet. It has a great influence on the Sogdians and is widely spread all over the world. Manichaeism was introduced into China in the Tang Dynasty. Zoroastrianism refers to the localized Manichaeism. Theologically, light and darkness, good and evil are always hostile and competitive. ?
In the Song Dynasty, Manichaeism was called Zoroastrianism, which was probably translated according to its pronunciation. Unlike Persian Manichaeism, it is a mixture of Buddhism and Taoism. The Fang La Uprising at the end of the Northern Song Dynasty, that is, the uprising that made Liangshan heroes suffer heavy losses, was behind Zoroastrianism, so the influence of Zoroastrianism should not be underestimated.
At the end of the Yuan Dynasty, Han used Bailian to fight against the imperial court. In fact, Bailian religion has a lot to do with Zoroastrianism. Later, Han's son, with the support of the emperor, was called "Wang Xiaoming". At that time, Zhu Yuanzhang was appointed Deputy Marshal Zuo by Han Liner, that is to say, he was a subordinate of Wang Xiaoming and a member of Zoroastrianism.
Zhu Sheng, the counselor of Zhu Yuanzhang, put forward the suggestion of "building a high wall, accumulating grain widely, and being king slowly", that is, keeping a low profile and being adopted by Zhu Yuanzhang, the strength is getting stronger and stronger, while Han Liner is getting worse and worse. Finally Zhu Yuanzhang put him in Chuzhou.
Zhu Yuanzhang became the Queen of Wu and sent someone to pick up Han Liner, the nominal boss, only to fall into the water halfway and die. The reason why Zhu Yuanzhang named the country "Ming" was related to Zoroastrianism, but later he listed Zoroastrianism as "left-leaning witchcraft" in Daming Law and ordered it to be banned.
References:
Baidu encyclopedia-Zoroastrianism