Foundation Establishment: I Became an Urban Legend

A suicidal youth wanders into the forbidden depths of Wangxian Mountain, only to discover an immortal's secret sanctuary. Thirteen years vanish in seclusion as he masters cultivation techniques lost to time. When he finally descends, the modern world has moved on—but he hasn't. Now a living anachronism wielding ancient powers in a contemporary city, he pursues the Dao with quiet determination while mortals whisper legends about the mysterious figure who walks among them.