I've Been Guarding the Human Race on the Great Wall of Demons for Three Hundred Years.

Introduction: When he woke up, Lin Mu became a little demon-slayer on the Demon-Slaying Great Wall. When I opened my eyes and woke up, I was already at the scene of a battle between humans and monsters. Just when the monsters invaded, the apostles arrived, and the situation changed dramatically. Lin Mu discovered that killing monsters can accumulate killing points. Kill the Houtian realm monster, kill point +5 Kill the innate realm monsters, kill points +10 Kill the golden elixir realm monster, kill point +20 Killing points can be used to learn skills and increase cultivation. The magic sword Apophis, draw the sword and slash, the dragon cuts through the air. When the great ancestor of the demon clan came out of seclusion, the human race was invincible and desperate. At this time, Lin Mu stood up. When he woke up, Lin Mu became a little demon slayer of the Great Wall of Demon Slayers. When I opened my eyes and woke up, I was already at the scene of a battle between humans and monsters. Just in time for the monster invasion,