Lowly miner Lu Xuan accidentally obtains the true interpretation of Xuanhuang vein suppression, taking charge of millions of miles of Taixuan earth veins. Mine tyrant Lei Zhenhai, obeying the order of the domineering immortal sect to forcibly seize the mine, slaughters wantonly with the Burning Heaven Nine-Dragon Cannon. Lu Xuan activates the Xuanhuang Divine Gang, directly confronting heaven-grade spiritual treasures with absolute hard defense, enduring repeated life-and-death battles, fighting against successive strong enemies from the immortal sect, and protecting thousands of ordinary miners in the mining area with the power of the earth.