Su Xiao strode toward the outskirts of the village. Although he had yanked down the signal flare with a Boundary Severing Thread and stopped it from exploding, it had still left behind a red trail of smoke that shot straight into the sky.
If the signal flare had exploded completely, the undead soldiers within a dozen kilometers would have flooded toward this place. With only a trail of smoke, however, it could attract only a limited number of undead soldiers.
The moment Su Xiao left the village, another signal flare rose in the distance and exploded with a boom. It was about half a kilometer from Su Xiao.
As soon as this signal flare exploded, more than a dozen signal flares burst in succession several kilometers away. In an instant, red smoke spheres appeared one after another high above the surrounding area.
What made the signal flares most conspicuous wasn't the red smoke produced after they exploded, but the shrill whistle during the explosion. That sound could travel a great distance.
Su Xiao tossed the Apostle Eye into the air. The mechanical eye flew upward. He had already set coordinates inside it, ensuring that he could determine his direction while surrounded by the tide of soldiers.
The Apostle Eye had three functions. The first was detection, the scouting ability Su Xiao often used. The second was Warning Color. The Apostle Eye marked enemies with colors based on their strength. Su Xiao rarely used this ability, as he trusted his own judgment more. Sometimes, high attributes did not mean high combat strength.
As for the Apostle Eye's third function, it was vigilance. It could monitor conditions within half a kilometer. Whenever a suspicious creature approached, the Apostle Eye would immediately issue a warning. As a pale-gold piece of equipment, the Apostle