The Twilight Key is "God's Power" since it can destroy to regenerate virtually anything. If the key is using destruction and regeneration at the same time, it can cause creation. It was clarified that as long as the user has enough strength, they can use it as many times at they want. Before this was said, Faust made Hayato believe that it's limited to three uses per day.

Description of uses Edit

  • Heal wounds of a person
  • Reverse or redo things
  • Destroying things
  • Fix things
  • Create things
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