System Change - Chapter 64: Interlude/Anomaly II

The first great emperor in the world was betrayed by his confidante and perished. Millions of years later, the great emperor’s soul returned and was reborn as Ye Yan, the son-in-law who was kicked out by the Chu family with a letter of divorce, restarting the supreme journey. Open the gate of immortality, kill the Jiuzhongtian, and cast an invincible name again!

- Description from novelbuddy

mc gets transmigrated to Fallout New Vegas with the merchant system. let the questionable adventure begin.

Since I’m good-looking, I might as well become an actor.

In a world of swords and magic, where Dragon Knights and Grand Archmages wield powers capable of destroying the heavens and shaking the seas, the legends of their prowess echo throughout the ages.In this world, Sylvus, having crossed over from another realm, opens the Eastern Elixir Shop with a unique system that grants him mastery over ancient elixirs.Within this humble shop, elixirs from the eternal archives of Xianxia are available—each more powerful and mysterious than the last.A Nine-Star Saint Archmage toils away in the shop, working to repay his debt.A Nine-Star Platinum Knight pleads with the shopkeeper, desperately hoping to buy just one elixir.Even God Mages and Divine Knights engage in fierce battles just to secure the coveted Nine-Transformation Golden Elixir before others.