I Will Carry the System with Me for a Hundred Years in the Wilderness

Because he gave the old beggar ten yuan and fell into a century-old bet between the old beggar and the mysterious existence, the voice of the system rang in the mind of the boy who had traveled through a strange time - "The prehistoric system is being activated..." Completing the novice mission actually gives you a legendary sword that is indestructible? ! Roar! A huge earth dragon appeared in front of us, full of power! Lu Jing was dumbfounded when he saw it. I, who only have the system, actually want to survive in a prehistoric world for a hundred years? I want to carry the system with me for a hundred years! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.