Be Invincible, Starting from Subduing Demons

[Subduing demons + system + humor + upgrade] Wu Yuan traveled to a world where demons were rampant. The city was in ruins and the country was in danger. Buildings were about to collapse. Demons were raging. The Tianwu Kingdom where he was was also devoured by demons. Only seven cities were left. Millions of lives were in danger... Ding, the binding of the demon slaying system is completed. You can become stronger by killing demons. Passerby 1: "Ninth-grade talent can only be found in the long history." Wu Yuan: "Can my ninth-grade talent be fake?" Second passerby: "Jiangling City is destroyed, Tianwu is in danger!" Wu Yuan stood on the tower of Jiangling City: "Everyone spread out, let go of those demons, and let me come!" The third passerby: "The forbidden land of demons is too terrifying. The aura of demons covers millions of miles. The demon gods have vast magical powers and are ever-changing. If the demon gods are not dead, there will be no way to kill all the demons!" Wu Yuan: "This Demon God Tower must have been transformed by that demon. Watch me destroy it." ………………………………………… Only by slaying demons, upgrading and becoming stronger, can you sit on the throne of gods, walk in demon hell, and roam the world.