Kill Enemies to Level Up? I, Styx, Slaughtered the Son of Blood God at the Beginning

Travel through the prehistoric world and become the supreme boss Styx Ancestor. Activate the upgrade system by killing enemies at the beginning. Killing enemies will level you up, and killing enemies will lead to enlightenment and becoming a saint! He repeatedly slaughtered 840 million Blood God Sons, crushed the Great Luo Golden Immortal, and killed the Quasi-Saint Power! The purpose is to be able to realize the realm of Hunyuan! Of course, not only can you gain experience points by killing enemies, but you can also get huge rewards! [Congratulations to the host, you killed 840 million Blood God Sons, gained experience value: 8.4E, your character exploded, and you obtained the fierce and rare treasure of heaven - the God-killing Spear! … Someday in the future. The River Styx has caused too many evildoers, causing immeasurable calamities to descend upon the world! The saints came under the order of Tao Ancestor, just to kill the devil Styx and prevent this catastrophe! It's just... When they looked at the Styx who stood above the heavens and had already reached the realm of Hunyuan, holding the God-killing Spear all the way to the ancient world, and the billions of Blood God Sons under his command, they suddenly became numb: "With so many disciples under our command, we actually paved a path to becoming a saint for you?!!" "This demon is too terrifying, there is nothing we can do!" "Teacher, if you don't take action, Styx is about to attain the Great Dao!!!"