Mystery Frog Forest

Dream up a situation that there is a fantasy forest in which a mystery frog having a precious diamond. As you have heard of it from your childhood, you wish to recover it from that fantasy world. Somehow you reached the place where the precious diamond is. But this is not going to be easier, as you need to recover it. This could be possible only if you have determination to find it. It is sure that you will succeed by finding the necessary objects and solving the puzzles