Time Travel in 2021

2021. The earth is cold. Raid. Lots of prehistoric creatures. Break out. And these prehistoric creatures actually have energy stones in their bodies. Energy Stone is the most important resource in existence. Kill monsters to get energy stones. The higher the energy level, the greater the original energy. And I, Ye Tian! It's time travel from 2065. Only I know the purpose of these energy stones. After the outbreak, the government and the United Nations only knew how to kill the monster. They don't know the use of these energy stones. So now it's everywhere. It's all this kind of energy that makes me happy. When I came back from that era, I brought a space bracelet with me. It is enough to absorb more than one billion tons of energy stones. I collected all this energy. Five years later, the earth will be short of energy. A large number of monsters attacked the last huge city on earth introduced by the United Nations and the national powers of various countries. Research by United Nations scientists has shown that the energy food dropped by killing monsters can replenish the energy of the energy shield. Start collecting in bulk. But, blame me... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.