Mortal, Five-Qi Waste Wood? Awakening Mecha at the Beginning

[Fantasy] [Invincible] [With reverse contrast] [Decisive killing] One day in the Golden Age, a black shadow suddenly appeared above the sun. The boundless black air quickly spread with the arrival of the black shadow. From then on, there was no sun in the world, only a thick black air remained. The black air is full of demonic energy. Once inhaled, it will erode the mind and turn into a "grey beast" that only knows killing. The beast clan rose rapidly, and in just a thousand years, all other races were almost wiped out. God will not destroy our human race! One day at the end of the Golden Age, a blue light suddenly fell from the sky. With the blessing of heaven, the mecha comes to the world! From now on, all human geniuses will awaken their own mechas! ! The protagonist Lu Ming is summoned by heaven and travels through another world! He doesn't want to be a coward anymore in this life! Where will he go with his unique blue mecha?