Start the Ancient Era

Once upon a time, a young man traveled to ancient times and faced tall, powerful, bloodthirsty and cruel savages. Let's see how the young man can convince them. What! Tell me, I have a system! Just when the man was dreaming of reaching the pinnacle of his life, the system told him that because the system version was too low, there was nothing he could do to help him! Oh my god, damn it! Hurry up and send me back to modern times! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.