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Gustav

By Shiraen · Updated Nov 29, 2025

Orb management challenge with fixed damage mechanics. Can be cleared in 1-2 attempts. Verified up to stage 10.

Gustav

Gustav

lightstrikerLv. 100

Immunities

6,767Attack
2,626Defense
385,328Health
186Speed
16%Crit Chance
150%Crit DMG
0%Crit DMG Reduc
0%Penetration
15%DMG Increase
10%DMG Reduction
115Effectiveness
96Resilience
WG45WG

Skills

Flame of Desire

Single Target

Attacks an enemy. After attacking, grants a Barrier to all allies for 2 turn(s).

Suppress

CD 3All Enemies

Attacks an enemy and removes 2 buff(s) from the target.

Gluttony

CD 4All Enemies

Attacks all enemies. After attacking, inflicts Bleeding on the target for 3 turn(s), and increases Core Overdrive's fixed damage by 1,000.

Tenacious Greed

(Passive Effect) When an enemy inflicted with Bleeding ends their turn, reduces the duration of buff(s) granted to all enemies inflicted with Bleeding by 1 turn. When all allies except for the caster have been killed, reduces damage taken, increases damage dealt, and does not take Weakness Gauge damage. Does not take Weakness Gauge damage and reduces damage taken from targets inflicted with a debuff.

Enraged

Single Ally

Becomes Enraged when Health drops to 70% of Max Health or lower. Enraged: Grants an irremovable effect to the caster that increases Attack and reduces damage taken for 3 turns. Enraged lasts for 3 turns. Disgusting Breath: Used when Enraged ends. Deals lethal damage to all enemies.

Spare Core

Spare Core

Add
lightmageLv. 100

Immunities

4,651Attack
1,200Defense
385,328Health
120Speed
16%Crit Chance
150%Crit DMG
0%Crit DMG Reduc
0%Penetration
0%DMG Increase
56Effectiveness
80Resilience

Skills

Proactive Entity Protection

All Enemies

Attacks all enemies. After attacking, inflicts Taunted on the target for 3 turn(s).

Core Overdrive

(Passive Effect) When hit, deals 3,000 fixed damage to the target.

Tactical Tips

  • Orbs deal when attacked.
  • Use units with or .
  • Boss reduces damage taken when orbs are defeated.
  • Focus on single target damage to minimize orb retaliation.
  • ignores damage reduction from killing the orbs.

Recommended Characters

Monad EvalighthealerNelladarkhealerAsteifirehealerViellaearthhealer

Monad Eva, Nella, Astei, Viella

Healers with and/or .

MarianwatermageKitsune of Eternity Tamamo-no-MaeearthmageDrakhanlightstriker

Marian, Kitsune of Eternity Tamamo-no-Mae, Drakhan

DPS options that apply .

AerfirestrikerRyu LionearthrangerDemiurge LunalightmageReginalightmageLaplacewatermage

Aer, Ryu Lion, Demiurge Luna, Regina, Laplace

Other element DPS viable options.

RoxiewatermageMaxiefirerangerVladafirestriker

Roxie, Maxie, Vlada

DPS options for a team.

Suggested Teams

Monad Eva
light
healer
Monad
Eva
Francesca
dark
striker
Francesca
Demiurge Astei
dark
mage
Demiurge
Astei
Gnosis Viella
dark
striker
Gnosis
Viella

1 to 2 attempts. Verified up to stage 10.

Cursed team

Monad Eva
light
healer
Monad
Eva
Drakhan
light
striker
Drakhan
Marian
water
mage
Marian
Kitsune of Eternity Tamamo-no-Mae
earth
mage
Kitsune of Eternity
Tamamo-no-Mae

1 to 2 attempts. Verified up to stage 10.

Burned team

Astei
fire
healer
Astei
Maxie
fire
ranger
Maxie
Vlada
fire
striker
Vlada
Roxie
water
mage
Roxie

1 to 2 attempts. Verified up to stage 10.

Combat Footage

Gustav — Stage 10 — 1 run clearby ダイス