Extreme Diary of Prehistoric Times

In the wilderness, there are ancient dead souls walking at night, devouring all living beings, leaving behind dense bones; there are hundreds of birds biting each other, fighting for the top spot in the sky; there are ferocious beasts walking alone, dominating thousands of miles around; until this day, the heaven and earth coexist with strange phenomena, ushering in the age of cultivating immortals where all souls strive to become immortals...