Guide on How to Defeat Oni in Shin Megami Tensei III: Nocturne HD Remaster
Oni is a boss enemy faced by the Protagonist in Shin Megami Tensei III: Nocturne HD Remaster. The demon is encountered twice at the entrance of the Ikebukuro Mall and the Second Floor (two Onis) near Mantra Headquarters.
Oni Boss Information
Here is a breakdown of the boss’ stats, strengths and weaknesses, and skills:
Oni Stats
| HP | 264 HP (for each demon) |
|---|---|
| Recommended Level | Level 21 or higher |
| Recommended Magatama | Kamudo Magatama |
| Recommended Party Members | Ame-no-Uzume, Momunofu, Archangel, Apsaras, or any ally demons |
| EXP Rewards | 106 EXP (for each demon) |
| Macca Rewards | 130 Macca (for each demon) |
| Other Rewards | Life Stone x1 |
Oni Strength and Weaknesses
| Phys | Fire | Ice | Electricity | Force | Expel |
|---|---|---|---|---|---|
| Resist | – | – | – | – | – |
| Death | Mind | Nerve | Curse | Almighty | Explode |
| – | – | Weak | – | – | – |
Oni Strength and Weaknesses
| Skill | Skill Effect |
|---|---|
| Berserk | Small physical damage to random foes. |
| War Cry | Decreases physical power by 2 levels, all foes. |
Oni Strategies
Here is a breakdown of the battle strategies against the boss:
Equip Kamudo Magatama
Before the battle, make sure the Protagonist or Demi-fiend is wearing a Kamudo Magatama. This Magatama nullifies Physical attacks.
Pass Regular Turn to Support demons
If you start the battle with Demi-fiend, make use of the Press Turn System and pass your turn to Ame-no-Uzume to cast Elec attacks to or Momunofu, Archangel, or other demons that can use Debuff Support Skills.
Use Elec Attacks to inflict Shock
Oni does not have resistance to Electricity attacks but it is weak to Shock or Paralyze which is a Nerve attribute.
Land Debuffs
Land debuffs on the boss while leaving some MP for healing. Debuffs can be in the form of attack power decrease (Tarunda), defense power decrease (Rakunda), and hit/ evasion power decrease (Sukunda). These debuffs can be accessed by demons in your party.
Prioritize on landing Sukunda/Fog Breath first. Followed by Rakunda and Tarunda/War Cry.
Use Phys Attacks
Oni does have resistance to Physical attacks but when it inflicted Nerve attacks, it will become susceptible to Physical damage. If you don’t have them, just rely on your high-level demons and deal normal attacks instead.
Use Magic Attacks
Oni does not have resistances against Magic attacks so make sure you and your other ally demons have access to Fire, Ice, and Electricity, and Force skills.
Heal Allies
Keep the party’s HP sustained by using healing skills. Especially when other party members are using HP-consuming Physical skills.
| ← Matador Boss Guide | Orthrus Boss Guide → |
Other Bosses
All Boss Guides
Shinjuku and Shibuya Bosses
| Pretas | Forneus |
| Nekomatas | Specters |
Ginza and Great Ginza Underpass Bosses
| Troll | Succubus |
| Matador | - |
Ikebukuro and Mantra HQ Bosses
| Onis | Orthrus |
| Yaksini | Thor |
| Raidou (Mantra HQ) | Dante (Mantra HQ) |
| Daisoujou | - |
Assembly of Nihilo and Mantra HQ Revisited Bosses
| Koppa and Incubus | Eligors |
| Berith | Kaiwans |
| Ose | Hell Biker |
Kabukicho Prison and Ikebukuro Tunnel Bosses
| Mizuchi | Sui-Ki |
| Trolls | Kin-Ki |
| Fuu-Ki | Ongyo-Ki |
Asakusa, Ginza Underpass, and The Obelisk Bosses
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