Xuan Tian Feng Yun

The famous swordsman Ma Xiao Tian was accidentally killed at the birthday banquet, and his legendary weapon "Xuantian Sword" disappeared, Ma’s favorite apprentice Lu Jiu embarked on a thrilling journey of chasing the murderer.
(Source: TMDB)
~~ Adapted from the web novel "Wu Xiang Zhi Cheng" (无相之城) by Liu Xiao Kuang (刘小哐).