Zhang Tie flew toward Yiyang City at 0.6 Mach. This time, he had learned his lesson. He flew more than ten thousand meters above the ground, completely hidden behind the clouds, invisible from below. Not to mention at night—even during the day, without clouds, it would be exceedingly difficult for most people's eyesight to spot a human-sized object ten thousand meters up in the sky.
The violent headwind at high altitude was blocked by the invisible layer of protective Battle Qi overflowing from Zhang Tie's body, so even flying high in the air, he did not feel the cold wind brushing against his face. Zhang Tie had tested it in the underground space: as long as he did not accelerate beyond 0.7 Mach, the radiance of his Battle Qi would not appear, and he would not become as dazzling as a meteor in flight. 0.6 Mach was both his cruising speed and his stealth speed.
There were many airships in the sky, coming and going. As long as Zhang Tie lowered his head, he could see quite a few along the way. The Holy War seemed to have made Jin-Yun Kingdom, which was powerful and far from the northern war zone, even more prosperous.
After several years of suppression, the devil disaster south of the Kare Mountains had seen its force of over a hundred thousand demonized puppets scattered or destroyed. The demonized puppets south of the Kare Mountains had now become small scattered bands, roaming the ruins of cities and the wilderness like bandits and wild beasts, making them even harder to deal with. Many places throughout the southern Kare Mountains had become no-man's lands. Of the two Hua Clan nations, Jin-Yun Kingdom and Qilan Kingdom had suffered the least from the devil disaster, and their disasters had also