Reborn in the Restricted Area, What Happened to My Sneak Attack on the Supreme Being?

Xiao Xuan traveled through time and came to a world similar to "Zhetian". Good news: In this life, there are human beings who are guarding the Great Saint Body, and the heaven and earth have not collapsed. Bad news: He looked down and saw that he was wearing the imperial robe of the Forbidden City Supreme, and he was stepping on the blood and bones of billions of creatures. Even better news: the "backstab system" has been activated, and you will be rewarded if you kill a restricted area supreme with your own hands. [Kill the Nine Elephants Emperor and gain a thousand years of life! [Kill the Starfall Emperor and obtain the Immortality Fruit! [Kill Xu Tianzun and get the Nine Turns Golden Pill! So, in the desperate eyes of all races, the Dark Supreme slowly turned around and raised his butcher knife towards the Forbidden Zone Supreme behind him. "I'm sorry everyone, isn't it common sense these days to kill your teammates first in a group fight?"