Caster Xuanzang  

Caster, キャスター

Caster is a Servant that can be summoned by Ritsuka Fujimaru in the Grand Orders of Fate/Grand Order, with the True Name being Xuanzang Sanzang (玄奘 三藏), also known as Sanzang Fashi (三藏 法師). This Servant was a Buddhist priest from the Tang Dynasty in the 7th Century AD who traveled along the Silk Road to India, where he obtained over 650 Buddhist scriptures. He later returned to China and founded the Chinese Faxiang Buddhist sect with these sutras.