C500 killer weapon

Nebula slowly said, "I've never heard of it."

Chu Qianye said: "He comes from the previous universe, he should have completely died out, but luckily he survived. He will definitely wreak havoc again, do you think he should be destroyed as well?"

Nebula obviously slowed down and said, "Since he came from the previous universe era, there must be a reason why he should still be alive