Literature Reference: 五营屯北地，万乘出西河。——《鼓吹曲辞 上之回》 Five camps station in the northern lands, while ten thousand chariots march out of the western river. Source from 'Gu Chui Qu Ci: Shang Zhi Hui'.
万: The term "quantity unit" signifies abundance and encompasses the meaning of "all." Being fortunate beyond measure is an auspicious repetition, which is highly beneficial for one's health when used in a name.
乘: Ascend, embark, rise. The character bears auspicious connotations, akin to the rising sun, symbolizing flourishing prosperity and vigorous vitality.
Meaning: Wan Sheng originally refers to the number of chariots owned by the ancient emperor, symbolizing supreme power and majesty.