Website and data research by 101Leafy.
Elemental Oni Periapt
四鬼の霊符
Key Items
Enables the Magatsuhi Skill Oni Formation when the four great oni of legend are brought together.
How to get it
No shop, chest, enemy, quest, relic spot, or Demon Haunt gift gives this item. The game hands it out in a scene that 101Leafy has not traced yet.