A novel where the protagonist is invincible with a system or a cheat

There were many novels in which the main character was invincible with a system or a cheat, such as: "Douluo Continent": The main character Tang Wulin has a soul master system that can provide him with powerful soul power support to allow him to advance triumphantly on the path of a soul master until he becomes a powerful soul master leader. 2."Martial Yin Yang": The main character Lin Dong has a martial artist system that can provide him with powerful martial artist strength, allowing him to continuously grow on the martial artist path and eventually become a powerful martial artist. 3 " Covering the Sky ": The protagonist Zhang Cang has a Heavenly Silkworm System that can provide him with powerful magic treasure support, allowing him to travel smoothly on the path of magic treasures and eventually become a powerful magic treasure master. 4.<< Full-time Expert >>: The protagonist Yu Wenzhou has a game system that can provide him with powerful gaming abilities, allowing him to become a powerful gamer all the way. The protagonists of these novels all had powerful systems or golden fingers that made their growth easier and faster.