The Binding Force is a protective magical seal placed on the Great Palace to protect the Triforce of Courage from all but the most pure hero. Once Link returns the Crystals to the six palaces and braves the Valley of Death, the Binding Force will give way and allow him to attempt the one final challenge. Should Link attempt to pass through the Binding Force before placing all six Crystals, the magical force field will repel him and deal considerable damage.
- ↑ "But the Triforce of Wisdom I have hidden for a reason. Not everybody can use the Triforce. It requires a strong character with no evil thoughts. But an inborn special quality is also necessary." — The King of Hyrule, The Adventure of Link Game Manual, pg. 9
- ↑ "The Triforce of Courage is hidden in the Great Palace in the Valley of Death on the largest island in Hyrule. However, to enter there you must first fight the guardians and undo the "binding force"." — The King of Hyrule, The Adventure of Link Game Manual, pg. 10
- ↑ "When you have set crystals in all of the statues in the six palaces, the "binding force" placed on the Valley of Death will be removed and you will be able to enter the Great Palace. There, you must fight the last guardian. And you can Obtain the Triforce only by defeating that guardian." — The King of Hyrule, The Adventure of Link Game Manual, pg. 10