The System Came Early, and I Was Forced to Be Invincible in the End of the World

The global doomsday change will come in two and a half years. Chen Xuan, a student who is usually unknown, has been bound to the survival system in advance! [The host is so powerful that he can tame the fifth-level hell dog and be rewarded with a full-level Golden Light Palm! Chen Xuan looked at the young pastoral dog he had just bought, feeling very confused. [The host's charm is off the charts, conquer the super-level Scarlet Queen, and be rewarded with an ancient dragon totem! Chen Xuan took the love letter from his deskmate, seeming to understand it. [The host is so terrifying, it eliminates the dangerous zombie nests and rewards the thunder field! Chen Xuan was walking in the high-end club, with a smile finally appearing on his lips. … One winter vacation passed, Chen Xuan was in class, and suddenly a large number of people, heavily armed and on high alert, rushed in. "Chen Xuan, right? What did you do during the winter vacation?" "Just doing some part-time work." "Are you sure it's a part-time job? Why are there rumors that you are the boss behind the Night King's Palace?" "Sir, this must be a rumor." "I have received accurate information. The top ten on the mercenary list are all your younger brothers!" "Sir, this must be a misunderstanding." "Don't explain. I heard that you also know the Five Thunder Techniques?" "Sir, you are alarmist." "Last question, why were the foreign forces destroyed?" "They made me a bowl of noodles, but sir, I don't eat beef!"