Octopath Traveler: NPC Grossom Weaknesses and Strategy Guide

This is a strategy guide for Octopath Traveler: Champions of the Continent.
After defeating Arena Grossom, you can fight NPC Grossom using a Field Command in front of the blacksmith in Victor Hollow. You can repeatedly challenge him after a certain period of time to obtain Victor's Insignia (Grossom).
The above can be exchanged at the Exchange for Grossom-exclusive items and Guiding Lights.

The strategy is the same as in the Arena, but since you can use supporters, it should be a bit easier.
However, Grossom himself might feel slightly stronger.

→Arena Version: How to Defeat Arena Grossom and Strategy Guide [Octopath Traveler: Champions of the Continent]

We've uploaded a video to YouTube.
Click here for the YouTube strategy guide video: Defeating NPC Grossom! Weaknesses, Tips, and Strategy Information

Grossom and Other Dancers: Weaknesses and Basic Information

Name	Weakness	Shield
Grossom	Spear, Axe, Dark	26
Passionate Dancer	Sword, Axe, Wind, Dark	12
Dazzling Dancer	Sword, Axe, Wind, Dark	14

Common weaknesses are Axe and Dark.
While not a weakness, for shield-breaking, a Thief's shield-ignoring attack is recommended.

Grossom's Actions

Basic Actions

Action	Effect
Impact	Single-target Physical Attack - Forcibly swaps with back row
Poem of Heavenly Lightning	3 random Lightning Elemental Attacks
Wild Dance	3 random Physical Attacks
Warrior's Inspiration	All enemies Physical Attack & Physical Defense Up

New skills added when Grossom is alone

Dance of Guardian Descent	All enemies Physical Attack & Physical Defense Down
Impact Barrage	2 Physical Attacks - Forcibly swaps with back row

Used/added when HP is roughly half or less

Now I'll get serious	Grossom will now act twice per turn
Poem of Fierce Lightning	All enemies Lightning Elemental Attack

Used when HP is around 20% or less

Warrior God's Graceful Stance	Physical Attack, Elemental Attack, Speed, Physical Defense Up Nullifies all weaknesses except Dark (can be dispelled by Break)
Dance of Destruction	4 random Physical Attacks

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Actions of Passionate Dancer and Dazzling Dancer

Passionate Dancer

Primarily physical attacks, Critical & Speed Up

Dazzling Dancer

Primarily light elemental attacks, Light Resistance Down, Elemental Attack & Elemental Defense Up

Tips for Defeating Grossom

Battle Start

Defeat the adds first

Maintain debuffs, buffs, and auto-recovery. Debuffing Grossom is especially effective. Using Anti-Attack on the adds will also help stabilize the fight.

Since it will be a long battle, SP recovery accessories are essential.

Grossom's HP is roughly half or less

Grossom will act twice per turn, and attacks will intensify, but it shouldn't be as intense as the start of the battle.

Similar to the first half, maintain debuffs, buffs, and auto-recovery. Debuffing Grossom is especially effective.

When HP turns red, pay attention to Break timing. Ideally, you want him to use Warrior God's Graceful Stance when his HP is in the single digits.

Grossom's HP is 30% or less

Only Dark remains a weakness

Spear and Axe also become weaknesses again upon Break

Recommended Supporters for the Grossom Battle

You can bring supporters to the NPC Grossom battle.
When "Warrior God's Graceful Stance" makes only Dark a weakness, I've chosen supporters focused on breaking to ensure a more reliable break.

Name (Town)	Support Skill	Location
Brawler (Victor Hollow)	3 Dagger Physical Attacks - Reduces shield points even if not a weakness
Eloping Man (Victor Hollow)	2 single-target Dark Elemental Attacks
Donietsk Mafia (Donietsk)	2 all-enemy Dark Elemental Attacks

We've uploaded a video to YouTube.
Click here for the YouTube strategy guide video: Defeating NPC Grossom! Weaknesses, Tips, and Strategy Information

Party Explanation

Composition and Skill Selection

Viola

"Anti-Attack", "Anti-Guard", "Double Wide Burst" are recommended!

Constantly debuff Grossom

Use "Double Wide Burst" for overall shield reduction

Theo

"Trident Slash", "Secret Healing Art", "Double Harvest" are recommended!

"Double Harvest" in the early stages, "Trident Slash" when Grossom is alone

Use "Secret Healing Art" for party-wide auto-recovery.

Lionel

Essentially only uses "Guardian Rage"

Tressa

Shield breaker role

Fiore

"Triple Slash" for breaking, "Collapse Charge" for damage

I tried "Dark Rush" thinking it might be useful for all enemies.

Gilderoy

This time, I didn't use "Desperate Resolve" or "Heal Spike", but if he's sufficiently trained as a tank, these might be more stable.

With Bolt Spike, consider yourself lucky if he gets paralyzed early on.

When Grossom is alone, he serves as a shield breaker.

Molrusso

Auto-recovery role

Mylord

Elemental Defense Up / Instant Recovery role

Strong Characters for the Grossom Battle

Fiore: Delivers satisfying damage
Viola: Essential as a debuffer and shield breaker
Theo: Breaker and healer

Mid-tier

Molrusso: Auto-recovery and Wind elemental damage
Tressa: Shield breaker
Lionel: High value for quickly defeating adds

→Arena Version: How to Defeat Arena Grossom and Strategy Guide [Octopath Traveler: Champions of the Continent]

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