I'm Really Not a Big Hero

The mountains are trembling, the earth is groaning, chaos has descended on the earth, countless demons are rampant, and every inch of space is filled with the breath of death. On the edge of destruction, the dawn of hope has come again, and he has come with light! Time has crushed the glorious civilization into the dust of history, but he alone has become eternal. "Actually, I'm not a hero..." As he spoke, he killed the evil dragon with one sword, pressed the evil god to the ground and rubbed it, thus saving the world. "..." Dragons, cultists, demons, and evil gods all have black question marks on their faces. "Who told you to have a face that needs a beating? I just can't help it!" Ivan defended. When chaos comes again, when the hero once again emerges from the torrent of time...