After Practicing for Five Hundred Years in the Previous Life, He Is Invincible in This Life

Qingming Sword Saint Yang Chen was reborn as a low-ranking young master of the Demon Sect for some reason. Just after you were reborn, you met your subordinates who made trouble? It seems like keeping a low profile is no longer an option. This sword of mine can cut down mountains, rivers, sun, moon, heaven and earth, let alone people! With a sword in hand, all magic can be defeated!