Monk Sand was an important character in Journey to the West. He was originally a celestial being in the Heavenly Palace, but he had eaten three Dragon Balls by mistake and became a monster. In the process of Tang Sanzang's pilgrimage to the scriptures, Monk Sand had gone through many hardships to help Tang Sanzang and finally became the person who took the scriptures. The process of becoming a Buddhist monk from a heavenly general mainly included the following stages: 1. Become a monster: After eating the Dragon Ball by mistake in the Heavenly Palace, Monk Sand became a powerful monster with superhuman strength and speed. 2. Encounter with Tang Sanzang: On Tang Sanzang's journey to learn from the scriptures, Monk Sand chanced upon Tang Sanzang and his disciples and began to help them. 3. Experiencing hardships: During the journey of Tang Sanzang, Monk Sand experienced various hardships such as encountering demons, subduing demons, etc. Finally, he obtained the true scriptures together with Tang Sanzang and others. 4. Becoming a Buddhist Pilgrimage: After obtaining the scriptures, Monk Sand officially became a Buddhist Pilgrimage and was accepted by Tang Sanzang as his disciple to follow him to the Western Paradise to obtain Buddhist Pilgrimage.