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World Boss

Harshna — Outerplane World Boss Guide

By SevihUpdated 2025-07-29
Strategy Guide

Your first team should avoid having debuffs, otherwise you'll give the boss many extra turns. You should run a Defender to apply Defense Down for 4 turns. Your second team needs debuffs. You don't have to run a team that uses debuff as DPS (like a burn comp or Gnosis Beth). Just make sure you can maintain at least one debuff.

Revenant Dragon Harshna

Revenant Dragon Harshna

DarkDarkStrikerStrikerLv.80
Immunities
Rotten Claws

Rotten Claws

Attacks an enemy.
Inflicts Poisoned on the target for 1 turn(s).
Prioritizes attacking the enemy's front line.

Vicious Chill

Vicious Chill

Attacks all enemies.
Inflicts Poisoned 2 times on all targets for 2 turn(s). (Irremovable)

Struggle of the Dead

Struggle of the Dead

Attacks all enemies.
When attacking, if the caster is granted a dispellable debuff, inflicts Frozen on all targets for 1 turn(s). (Irremovable)
This attack penetrates 30% of the target's Defense.

The Awakened

The Awakened

When the caster is granted a dispellable debuff, Weakness Gauge cannot be reduced.
Grants a special effect to the enemy team based on their class.

StrikerStriker: Increases Attack by 30%
MageMage: Increases Critical Damage by 50%
DefenderDefender: When performing an action, inflicts reduced Defense on the Boss for 4 turns
RangerRanger: When performing an action, deals 3% damage of the Boss's Health
HealerHealer: Increases Priority recovery efficiency by 50%

Defying Death

Defying Death

When an ally is inflicted with a debuff, increases Priority of the caster by 100%.
At the end of the turn, when the caster is granted a dispellable debuff, recovers Weakness Gauge by 20.
Curse damage does not exceed a maximum of 5000.

Frozen Dragon of Phantasm Harshna

Frozen Dragon of Phantasm Harshna

WaterWaterStrikerStrikerLv.110
Immunities
Relentless Destruction

Relentless Destruction

Attacks an enemy, and removes 1 debuff(s) from the caster.
Prioritizes attacking the leftmost enemy.

Slaughtering Flutter

Slaughtering Flutter

Attacks all enemies, and removes all buffs from the target.
This attack penetrates 30% of the target's Defense.
Right after using this skill, does not trigger an enemy's Counterattack, Revenge, or Agile Response.

Advent of Ruin

Advent of Ruin

Attacks all enemies. When attacking, if the caster is not inflicted with a debuff, ignores 100% of the target's Defense.

Harbinger of Ruin

Harbinger of Ruin

If the caster is not inflicted with a debuff, Weakness Gauge cannot be reduced.
Increases Weakness Gauge damage taken from enemies granted Stealth by 100%.
Grants a special effect to the enemy team based on their class.

StrikerStriker: Increases Attack by 30%
MageMage: Increases Critical Damage by 50%
DefenderDefender: When hit by a single attack, grants Stealth for 2 turn(s)
RangerRanger: Increases Effectiveness by 100%
HealerHealer: Increases Priority recovery efficiency by 50%

Ultimate Scale

Ultimate Scale

Reduces Weakness Gauge damage taken from Skill Chains by 50%.
At the end of the turn, when the caster is not inflicted with a debuff, recovers Weakness Gauge by 20, and reduces the enemy team's Chain Points by 50.
Fixed damage does not exceed a maximum of 10000.


Phase 1

  • Your first team should avoid having debuffs, otherwise you'll give the boss many extra turns.
  • You should run a DefenderDefender to apply for 4 turns.

Phase 2

  • Your second team needs debuffs. You don't have to run a team that uses debuff as DPS (like a burn comp or Gnosis Beth). Just make sure you can maintain at least one debuff.
  • Any RangerRanger with or equipped can do the job.
  • Any good AoE MageMage can do it too with .

Phase 1 — Recommended Characters

Demiurge Drakhan
Light
Defender
Kappa
Earth
Defender
Leo
Light
Defender

Demiurge Drakhan, Kappa, Leo

DefenderDefender options to apply for 4 turns.

Ryu Lion
Earth
Ranger
Rey
Earth
Striker
Ame
Earth
Mage

Ryu Lion, Rey, Ame

Strong EarthEarth DPS without debuff.

Demiurge Luna
Light
Mage
Maxwell
Dark
Mage
Regina
Light
Mage
Demiurge Astei
Dark
Mage

Demiurge Luna, Maxwell, Regina, Demiurge Astei

Other strong DPS without debuffs.

Fran
Earth
Ranger

Fran

and .

Charlotte
Earth
Ranger
Valentine
Fire
Ranger

Charlotte, Valentine

Buffers option.

Dianne
Light
Healer
Astei
Fire
Healer
Nella
Dark
Healer

Dianne, Astei, Nella

provider.

Phase 2 — Recommended Characters

Gnosis Beth
Light
Ranger

Gnosis Beth

and good damage.

Notia
Earth
Ranger

Notia

Can maintain debuff like and . Also provides .

Akari
Light
Ranger
Roxie
Water
Mage
Fortuna
Water
Mage

Akari, Roxie, Fortuna

Bring other debuffs alongside .

Bell Cranel
Fire
Mage
Vlada
Fire
Striker
Maxie
Fire
Ranger
Ember
Fire
Defender

Bell Cranel, Vlada, Maxie, Ember

specialist.

Monad Eva
Light
Healer
Viella
Earth
Healer
Astei
Fire
Healer

Monad Eva, Viella, Astei

HealerHealer options with debuffs.

Fran
Earth
Ranger

Fran

, and (be sure to apply the last one AFTER the boss's S2).


Suggested Teams

No Debuff TeamNo Debuff Team

Combat Footage

Harshna - World Boss - SSS - Extreme Leagueby Sevih01/07/2025