Cataclysm Game: Gain Permanent Invisibility at the Start

The world is involved in a disaster survival game. Zhang Yu activates the 10,000-fold strengthening system at the beginning. No matter what talent or skill he acquires, it will be automatically strengthened 10,000 times! Obtain "Hiding Technique" and automatically strengthen it to "God-level Stealth" S level! Obtain the "Fireball Technique" and automatically strengthen it to the "Doomsday Fire Rain" S level! Obtain "Sword Qi Slash" and automatically strengthen it to "World-Destroying Sword" SS level! Obtain "Warrior Physique" and automatically strengthen it to "War God Physique" SSS level! … Others are still worrying about survival. Zhang Yu has stabilized his throne at the top! PS: The introduction is weak, please read the text! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.