After resting briefly, the group pressed on deeper toward the earth's core, filled with a mixture of vigilance and anticipation for the unknown. As they went further, the surrounding environment grew increasingly bizarre. The narrow passage gradually widened, and the rock walls on both sides began to feature glowing, mysterious patterns that intertwined as if recounting ancient secrets.
Suddenly, a low, rumbling sound echoed from ahead, growing louder and louder like the charge of ten thousand galloping horses. Immediately afterward, a powerful wave of energy hit them, forcing everyone to halt. A massive subterranean canyon appeared before them, filled with thick purple mist that flashed with eerie lights, seeming to conceal countless dangers.
As they cautiously approached the edge of the canyon, a colossal figure slowly rose from the mist. It was a gigantic Nine-Headed Hydra, each of its heads the size of a house. Its scales shimmered with a dark purple luster, and its eyes radiated a bloodthirsty red glow. The Nine-Headed Hydra opened its cavernous mouth, letting out a deafening roar as it spat out streams of purple flames laden with potent corrosive power that instantly melted the rock wherever they touched.
Chapter 129