Mechanical Civilization Reborn in the Apocalypse

Ancient machinery, ancient witch tribe, ancient immortal cultivators, brutal Zerg tribe, fierce martial arts... The nine mysterious civilizations are extinct one by one. Is the reason the world-destroying virus or the cleansing of heaven? When the last life comes and all civilizations will reappear, who can stand at the top? Is it martial arts Lingyun? Or is it a fairy tale? Is the world full of insects? Or is the Witch Clan here? … "Mechanical civilization? How many years has it existed?" "Beyond your imagination!" "How powerful?" "Beyond your imagination!" "... Is there an interstellar railgun?" "... The level is too low now, you~~ don't have it!" "..." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.