[Relics from the East] Mask of the Oni (Patreon)

Wondrous item, uncommon (requires attunement)

Infiltrating a sect of demon-aligned, shapeshifting ogre-mages is no easy feat. Tomoe Gozen, an agent of the Courteous Cabal, cites such a mask as instrumental in her defeat of the Oniso uprising. The tasks associated with the mask are almost always noble, such is the nature of its forebears.

While you wear this mask you have advantage on Charisma (Intimidation) checks and disadvantage on Charisma (Persuasion) checks. Provided you can hear one another, you can always understand a fiend or giant when it talks, and it can always understand you when you talk, regardless of the languages you share.

Demon’s Growth. As an action, you can grow into the form of a Large, red-skinned, golden-clawed demon. You cast the spell enlarge/reduce on yourself, choosing the enlarge option and without requiring material components or concentration. You gain claws, natural weapons that deal slashing damage equal to 1d8 plus you Strength modifier. Once you use this feature, you can’t do so again until the following dawn.

Enhanced Attunement. As part of an hour-long ritual you can agree to complete a task set out by the last attuner of this mask. When you do so, the mask fuses onto your face, turning your skin red, your teeth gold, and giving your eyes an ethereal sanguine glow. You can cast the spell disguise self at will, without requiring a spell slot. You can’t unattune from the mask until you complete the task set out during the ritual. If you choose to unattune from the mask, you must set a task for the next enhanced attuner to complete.

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