When he woke up, Chen Yuan found that he had traveled through time. He came to a fantasy world where mosquitoes could kill dinosaurs and earthworms were 100 meters long! Moreover, he was about to go out with hunting teams to find food! At a critical moment, the strongest survival system Activated! When everyone was frowning, Chen Yuan smiled. Because he could see the prompt! The system prompts: A hundred-meter arched dragon is found 1,000 meters ahead, please avoid it as soon as possible! System prompt: 10,000 meters ahead. A vermilion fruit, eat it, you can upgrade to 9 consecutive levels! The system prompts: A lost ruin is found 30,000 meters ahead, open it, and you will get a heaven-defying skill!