Prehistoric: Digging into a Tunnel and Being Overwhelmed by the Law of Heaven at the Beginning

Traveling into the prehistoric world, others regarded the Three Pure Ones as their backbone, while I became a ball of golden light—the "tunnel" in the ninety-nine layers of the netherworld. The Heavenly Dao came out early to occupy all the resources, forcing me to fight against the Human Dao. Seeing the miserable state of humanity being instigated to kill each other, I shrank in the deepest part of my turmoil: How could this system-breaking game start on a hellish difficulty level?