The underground world was as vast as the sea. Even though one had reached 5-6 km away from the mouth of the Dragon Cave, it only equaled to coming to the beach, still a distance away from the real sea.
When manager Zhang carefully asked those who had used Zhang Tie's solution in his office about the effect of the solution, the centipede hunting team, led by Yang Yuankang, had already delved into Dragon Cave and arrived in an underground space where huge centipedes were always seen.
The underground karst where most of the Hell-black spiders gathered was more than 3000 m away from the entrance of Dragon Cave. However, huge centipedes lived in a darker place. Only when they reached 5000-6000 m away from the entrance could they see huge centipedes.
