Other people rely on their wits to clear game instances.
When Lu Zhi enters one, he discovers he doesn't have to follow the rules at all.
He breaks taboos, but the System doesn't kill him. He seeks out the truth, but no punishment comes. One teammate after another is "erased from existence," dying without a trace. The whole world forgets them, but Lu Zhi remembers.
He thought he was simply gifted. Then, deep in a high-difficulty instance, he saw a line of text:
"Welcome back, maker of the rules."
It turns out the cycle world runs on his life. The deaths of countless players are what keep him alive.
As everyone cries, "Break the cycle and escape alive!" Lu Zhi finally understands:
To end this endless game of death, he must kill "God" with his own hands.
And that god is himself.