"Woo~~~~~~" The loud bugle call pierced through the thin mist of the dawn, spreading far across the wilderness of the early morning, adding a chilly touch to the air. Along with the sound of the bugle, there was also a series of orderly footsteps. Countless feet treading on the ground caused the solid earth to tremble faintly. Listening to the floating bugle and feeling the tremor of the ground, a sense of inexplicable exhilaration rose in everyone's heart, as though the blood in their chests was boiling and burning.