Tunnel Adventure Forest Escape

There is one tunnel in the forest. There are so many tales about the tunnel. The most believed tale is that the tunnel is a secret hiding place of ancient kings that ruled the area. It is also believed that the tunnel has many precious things hidden in it. However, no one has been able to go to the tunnel and come out of it from the other end. You are the next one to make an attempt. People have warned you that it can be dangerous but you are a very brave person and there is no way that you can give up hope without putting up a sincere attempt.