The reason why Tang Priest was named Buddha of Tathagata is that Tang Priest was originally the reincarnation of Tathagata disciple Jin, but he was sent down to practice. The first point of Wukong's becoming a Buddha is his high belief in Buddhism.
On the way to the west, Friar Sand has been playing soy sauce. Although Bajie is active, his enthusiasm is too low. On a trip to the kingdom of monks, Tang Priest was deeply saddened to learn that the king had killed children and eaten their hearts. He kept talking, but he didn't take any practical action.
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Marshal Tian Peng, Bajie's predecessor, was the Tianhe Water God Festival. After flirting with the fairy in the dress, provoking the spiritual officer to picket, he overthrew the bullfighting palace and came to the world, but mistakenly threw a pig fetus. Later, enlightened by Guanyin, he became a disciple of Tang Priest. Together with the Monkey King, he protected the Tang Priest from going to the Western Heaven to learn Buddhist scriptures, and was finally appointed as the messenger of the net altar.
In the novel, Tang priest and his disciples are often in trouble because of their laziness, gluttony and lust. After retrieving the scriptures, Zhu Bajie was named the altar messenger because of his "stubborn heart and persistent color". It can change into thirty-six, fly clouds and fog, and the weapon used is nine-tooth nail palladium, also known as Baoqin Gold Palladium. In The Journey to the West, Pig Bajie is also known as Mu Mu or Mulong (Pig Bajie belongs to true yin and five elements belong to wood), which often appears in books or poems.
Tang Priest, also known as Tang Sanzang, is a character in The Journey to the West, one of China's four classical novels. His previous life was Jin, the second disciple of the Tathagata, and his prototype was Xuanzang, a monk in the Tang Dynasty. Xuanzang was born in Luoyang, Henan Province today. His common name is "Chen Yi" and his legal name is "Xuanzang". He was honored as "Master Sanzang" and later called "Tang Priest".
At the age of eighteen, Tang Priest became a monk and converted to Buddhism. He often studies Buddhist scriptures in the evening, and his understanding is extremely high. In his twenties, he was famous for China Buddhism and was deeply loved by Emperor Taizong.
Later, he was secretly selected by the Tathagata, went to the Western Heaven to learn Buddhist scriptures, and got the three treasures, namely the cassock, the nine rings and the hooping spell. Tang Priest is tall and elegant, kind-hearted, and highly accomplished in Buddhist scriptures.
In the novel, he learned from the eighty-one difficulties and never changed his original intention. With the help of the Monkey King, Pig Bajie, Friar Sand and Bai, he finally got back 35 scriptures from western Buddhist temples, which made great contributions to promoting Buddhism. Up to now, he is still talked about by people and never forgets his historical achievements.
References:
Baidu encyclopedia-Zhu bajie