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"Good grief..." —Jotaro Kujo


The Mysterious Hat or Jotaro's Hat is an uncommon item in A Universal Time. It is given to Jotaro Kujo NPC along with Star Platinum to start the quest to obtain Star Platinum: The World. It is B Tier in the Item Tier List, being above the X-Soul and below DIO's Bone.


The Hat can be obtained in two ways, which are:

  • by spawning every 20 minutes with a 25% chance,
  • or by opening a chest with a 9% chance of obtaining it.

Obtainable Abilities

The Hat is given to Jotaro Kujo to start your quest to evolve Star Platinum.


  • The Hat is given to Jotaro as a 'payment' for the quest.