The Yin-Yang Tomb Raider

Years ago, to pay for my mother's medical treatment, I took the only keepsake my grandfather had left me before he died and headed north alone to make my way in the world. By chance, I joined a tomb-raiding gang. From then on, I traveled north and south, east and west, crossing the mountains and rivers of my homeland, witnessing every facet of life in the jianghu and encountering all manner of strange and wondrous things... Now, having narrowly escaped death and come out of prison, I am middle-aged and have long since lost the fiery spirit of youth. All I want is to live out the rest of my days in peace. But the past is not something I can simply leave behind just because I want to...