Foreshadowing

Urashima Taro promises that he would never, ever open the box no matter what happens, because the princess said that terrible things are inside it. This foreshadows that he is going to open the box and something bad will happen to him.

He

Urashima promised that he would never, ever open the box because the princess said that there are terrible things inside of it. This foreshadows that he is going to open the box and something bad will happen to him.