Natural Disaster Survival: My Items Can Be Upgraded Infinitely

The world merges and natural disasters strike! Fortunately, refuge from the law is available to everyone. Everyone chose to form a team and build a giant shelter to deal with natural disasters. Ye Fei is alone and not favored! However, the god-level unlimited upgrade system is bound. Any item Ye Fei uses can gain experience and allow him to upgrade infinitely! Bite! You use the shelter control system, and the shelter system gets +99 experience points, which can be upgraded to a brain! Bite! When you open the shelter door, door experience +99, it can be upgraded to an explosion-proof door! Bite! If you use a rifle, your rifle experience will be +999, and the automatic lock aiming function will be turned on! Bite! You use a girl, ahem... You get slap +2, your defense increases significantly, and you unlock the invincible mode! While everyone was still struggling, Ye Fei had already surpassed the giant shelter... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.