To be king and magician

Xia Chuanhu crossed over and arrived at Xingyue. He didn't know magic, had no connections, and was busy working part-time. He thought he would be the most embarrassing one among the traversers, but after he was selected by the Holy Grail and summoned King Arthur (the old sword), everything changed. up.
Especially after the Holy Grail War ended, the old sword became his own [special space machine], and he became the old sword Superman. ...... On a certain day of a certain year, a certain month, Chaldea is still that familiar corridor, or that familiar corner.
"Sha Tiao Ai Ge, don't come here! I don't know Arthur well, really! ——Emergency call!