Everyone: Switch to NPC and Become a Comprehensive Developer

The game has come to reality, the rules of the world have been subverted, and mankind has entered an era of job transfer for all. Monsters are rampant! There are countless secret realms, dungeons, and abyss! Terror and treasure coexist! Danger and opportunity go hand in hand! The only way is to become a job changer! Upgrade and become stronger! Only then can we stand on top of the world! On the day of the job change, Wu Yinsong did not change jobs, but became an NPC character similar to that in the game - a merchant. He owns all kinds of metals, ores, and treasures! He can refine weapons and alchemy for trade, and his NPC character has absolutely superb technology and heavenly protection. It can be said that he is the ceiling among mankind! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.