A magic hat
A magic hat

Name: The Mage's Cap
Origin: The Legend of Zelda The Minish Cap
Type: Hat
Powers and Abilities: Grants the wishes of the wearer
Destructive Capacity: At least country level+ (fueled by only a fraction of the Light Force, the Cap's power to grant wishes was great enough to undo all the damage a Light Force enchanced Vaati caused to the Kingdom of Hyrule and proved capable of destroying the Army of Evil that was previously sealed in the Bound Chest, something the entire Light Force and Picori Blade failed to previously do)
Wielder(s): Princess Zelda (Minish Cap), Vaati
Material or Element: Some kind of fabric that was enchanted by magic
Needed Prerequisite for Use: Wear it
Notable Attacks/Techniques or Alternate Forms:

Other: