How to Beat Orthrus: Orthrus Weakness and Strategies | Shin Megami Tensei 3: Nocturne (SMT Nocturne)

How to Beat Orthrus

This is a guide to Orthrus, a mini-boss in Shin Megami Tensei III HD Remaster (SMT Nocturne) for the Nintendo Switch, Steam, and PS4. Read on to know how to beat Orthrus, Orthrus' weaknesses, and best strategies against this boss!

Orthrus Articles
How to Beat Orthrus
How to Beat Orthrus
Orthrus Stats
Orthrus Stats and Skills

Orthrus Pre-Battle Guide

Recommended Magatama Shiranui Magatama
Recommended Level 22 or Higher

Strengths and Weaknesses

Weaknesses

Weaknesses
Ice

Orthrus is weak towards Ice and will be highly susceptible to Ice attacks. Exploit this weakness as much as you can, bring along demons that have Ice skills.

Strengths

Attacks Fire
Absorb Fire
Void Nerve, Mind
Resist Curse

Orthrus utilizes Fire attacks. He will use both single-target and multi-target Fire attacks, so don't summon demons that have Fire weakness!

Likewise, Orthrus Absorbs Fire, Voids Nerve and Mind attacks, and Resists Curse. We suggest avoiding using these types of attacks as they will be useless against Orthrus.

Best Demons to Use Against Orthrus

Best Demons to Use
Nozuchi icon
Nozuchi
Momunofu icon
Momunofu
Inugami icon
Inugami
Ame-no-Uzume icon
Ame-no-Uzume

How to Beat Orthrus

Dedicate At Least One Turn to Debuff Orthrus

Use Rakunda to lower Orthrus’ defense, in order to make it more vulnerable to your attacks. Alternatively, you can use Fog Breath or Sukunda as these debuffs will decrease Orthrus’ chance of dodging your attacks.

Use Tarunda or War Cry to lower its Phys/Magic Attacks. You will take less damage if you debuff its attacks.

Buff Allies Before Attacks

Focus

Use a buff like Focus or Tarukaja before using a Phys attack. This allows you to maximize your Phys Attack’s damage output in the short turns you get.

Use a buff like Makakaja before using a Magic skill. This allows you to maximize your Magic Attack's damage output in the short turns you get.

No Resistance Against Phys Attacks

Phys Attack

Orthrus has no resistance against Phys Attacks, so don't hesitate to to use these types of attacks on it.

No Resistance Against Magic Attacks Except for Fire, Nerve, Mind, and Curse

Force

Orthrus has resistane to Fire, Nerve, Mind, and Curse attacks, but be comfortable using other elemental Magic attacks, especially Ice as this is Orthrus' weakness.

Equip Shiranui to Null Fire and Bring Demons That Can Block Fire

Fire Block

Orthrus relies on Fire attacks, and equipping Shiranui will enable Demi-Fiend to Null Fire. Likewise, bring along demons that can Block Fire.

You'll be able to cut off Orthrus' turns if you block his attacks.

Summon Demons with Ice Attacks

As Orthrus' weakness is Ice, bring Demons that have Ice attacks to exploit its weakness. This way, you'll damage Orthrus further and secure extra turns for your party.

Don't Summon Demons Weak to Fire

Orthrus utilizes Fire attacks. He will use both single-target or multi-target Fire attacks, so don't summon demons that have Fire weakness!

Have At Least One Dedicated Healer in Your Party

Summon demons that have Dia or Media so your party can restore HP as you move along battle. This will be ideal especially in situations wherein you have no available Recovery items on hand.

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