Dark Survival: I can improve my proficiency

Story of: Dark Survival: I can improve my proficiency

Rule 1: The daytime in the dark world is only six hours, and the night is eighteen hours! Rule 2: Monsters only appear in the dark! Rule 3: Newbies have a three-day protection period. During the protection period, staying in the wooden house is absolutely safe! Rule 4: After three days, if you cannot upgrade the wooden house, you will be hunted by monsters! Rule 5: There are some treasure chests in the forest. Open the treasure chests and you will get something unexpected! Looking at the survival rules in front of him, Ye Liuyun realized that he really traveled through time. Not only himself, but everyone, all traveled through time. Unknown dangers appeared. It is a danger, but also an opportunity!