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The Sacred Oni Mask is best used with the Kagura Dance: Sumo Slam skill in Rune Factory: Guardians of Azuma (RFGoA). Read on for a guide on how to use the Sacred Oni Mask, the best Sacred Oni Mask skills, all the Mask Dance skills on the Skill Tree, and how to get the Sacred Oni Mask.
List of Contents
| Sacred Oni Mask Uses |
|---|
| |

With the Sacred Oni Mask equipped, you can use Mask Dance to destroy the large rocks with glowing purple cracks that block pathways.
You may want to go back to previous areas you've visited upon obtaining the Sacred Oni Mask. Places such as the Spring Region's Vast Plateau have these breakable rocks hiding areas that were previously inaccessible.

Performing the Mask Dance allows you to deal Dark element damage to enemies. This is a heavy, close-ranged attack that cannot be interrupted by enemy attacks.
Pressing the Mask Dance button twice allows you to perform either the Sumo Toss or Sumo Clap attack, which can send enemies flying.
| Skill | Description |
|---|---|
| Surrounds the user with an aura that pulls in enemies. Explodes after a set period of time, dealing dark damage to all enemies within range. | |
| Deals dark damage to all nearby enemies. |
The best skills to unlock in the Mask Dance Skill Tree are the Kagura Dance and Divine Dance for this sacred treasure. The Sacred Oni Mask is mainly used as an offensive weapon, and the Kagura Dance: Sumo Slam and the Divine Dance: The Demon Within can both allow you to deal a lot of damage.
Another great skill to unlock is the Blessings of Darkness skill to boost your damage output even more when using Mask Dance.
| Skill | Req. XP | Description |
|---|---|---|
|
|
- | Dark attack. Grants a special skill when equipped. Can break even the biggest of boulders. Prerequisite: - Skill Tree Column: Default |
|
|
10 | Surrounds the user with an aura that pulls in enemies. Explodes after a set period of time, dealing dark damage to all enemies within range. Prerequisite: - Skill Tree Column: 2 |
|
|
10 | Deals dark damage to all nearby enemies. Prerequisite: - Skill Tree Column: 2 |
|
|
30 | Boosts damage dealt by dark-based attacks. Effect carries over to all attacks. Prerequisite: Kagura Dance: Sumo Slam Skill Tree Column: 3 |
|
|
30 | Boosts VIT by 1, Prerequisite: Kagura Dance: Sumo Slam Skill Tree Column: 3 |
|
|
20 | Boosts damage dealt by dark-based attacks. Effect carries over to all attacks. Prerequisite: Divine Dance: The Demon Within Skill Tree Column: 3 |
|
|
30 | Adds an attack to the Mask Dance: a sumo stomp that hits enemies in a wide area. Prerequisite: Divine Dance: The Demon Within Skill Tree Column: 3 |
|
|
40 | Boosts damage dealt by dark-based attacks. Effect carries over to all attacks. Prerequisite: Blessings of Darkness Skill Tree Column: 4 |
|
|
30 | Boosts damage dealt by dark-based attacks. Effect carries over to all attacks. Prerequisite: VIT Up I Skill Tree Column: 4 |
|
|
40 | Boosts STR by 1. Prerequisite: Sumo Stomp Skill Tree Column: 4 |
|
|
40 | Boosts damage dealt by dark-based attacks. Effect carries over to all attacks. Prerequisite: Blessings of Darkness Skill Tree Column: 5 |
|
|
140 | Boosts damage dealt by dark-based attacks. Effect carries over to all attacks. Prerequisite: STR Up I Skill Tree Column: 5 |
|
|
60 | Boosts max HP by 6. Prerequisite: STR Up I Skill Tree Column: 5 |
|
|
140 | Boosts damage dealt by dark-based attacks. Effect carries over to all attacks. Prerequisite: Blessings of Darkness Skill Tree Column: 5 |
|
|
240 | Extends the duration of Kagura Dance: Sumo Slam. Prerequisite: Blessings of Darkness Skill Tree Column: 6 |
|
|
100 | Boosts STR by 3. Prerequisite: Max HP Up II Skill Tree Column: 6 |
|
|
240 | Boosts damage dealt by Divine Dance: The Demon Within. Prerequisite: Blessings of Darkness Skill Tree Column: 6 |
|
|
240 | Increases range of the draw-in effects of Kagura Dance: Sumo Slam. Prerequisite: Kagura Dance Extension Skill Tree Column: 7 |
|
|
100 | Boosts max HP by 9. Prerequisite: Kagura Dance Extension Skill Tree Column: 7 |
|
|
500 | Boosts damage dealt by dark-based attacks. Effect carries over to all attacks. Prerequisite: STR Up III Skill Tree Column: 7 |
|
|
100 | Boosts max RP by 6. Prerequisite: STR Up III Skill Tree Column: 7 |
|
|
100 | Boosts max HP by 9. Prerequisite: Divine Dance Upgrade Skill Tree Column: 7 |

The Sacred Oni Mask can be obtained during the Open the Demon Gate! main quest. This takes place after completing the Astral Shrines questline and unlocking the ability to bond with Kai.
Complete Walkthrough and Story Guide
| Plum Branch | Sacred Drum |
| Terra Tiller | Sacred Sword |
| Sacred Parasol | Sacred Fan |
| Sacred Oni Mask | Sacred Staff |
Best Sacred Oni Mask Skills and How to Use



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