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Adventure

S4 Hard : Sanctuary Defense — Outerplane Adventure Guide

By SevihUpdated 2026-01-13
Strategy Guide

The Mutated Wyvre revolves around buffs: the more it has, the more damage it deals and the less damage it takes. Focus on removing its buffs to weaken it.

Mutated Wyvre

Nest Guardian

Mutated Wyvre

LightLightStrikerStrikerLv.200

2-10 : Sanctuary Defense (Story (Hard))

Immunities
Reproduction: Dragon's Brutality

Reproduction: Dragon's Brutality

Attacks the enemy and gains Barrier for 3 turn(s).
Barrier strength increases as own Attack increases.

Reproduction: Dragon's Aggression

Reproduction: Dragon's Aggression

Attacks all enemies.
Decreases target's Penetration, Attack, Critical Damage for 3 turn(s).
After attacking, increases own Priority by 20%.

Reproduction: Dragon's Wave

Reproduction: Dragon's Wave

Before using the skill, removes Buff effects from all enemies, then attacks all enemies.
Increases own Penetration, Critical Chance, Critical Damage for 3 turn(s).
After attacking, increases own Priority by 20%.

Ultimate Guardian

Ultimate Guardian

(Passive Effect) damage taken decreases by up to 90% in proportion to the number of Buff effects obtained from Reproduction: Dragon's Wave.
Damage of Curse/Fixed Damage taken by the boss does not exceed 30000.

If not in Berserk state, WG damage taken decreases by 50%.
At the end of enemy action, if the target is DarkDark attribute, WG decreases by 2.

Cunning Combat Style

Cunning Combat Style

(Passive Effect) All attacks ignore 30% of the target's Defense, and additionally ignore up to 30% of the target's Defense in proportion to the number of Buff effects obtained from Reproduction: Dragon's Wave.
At the end of enemy action, increases own Priority by up to 30% in proportion to the number of Debuff effects the target has.

Enraged

Enraged

Becomes Enraged every time the enemy performs 7 actions.

Enraged: Grants an irremovable effect to the caster that increases Attack and reduces damage taken for 3 turns. Enraged lasts for 3 turns.

Evolution: Dragon's Wrath: Used when Enraged ends. Deals great damage to all enemies.


Tactical Tips

  • The boss is vulnerable to Irregular Hunters (like Caren and Rey).
  • and is the way to deal with it.

Recommended Characters

Viella
Earth
Healer
Stella
Light
Ranger

Viella, Stella

and .

Aer
Fire
Striker
Demiurge Vlada
Dark
Ranger
Regina
Light
Mage
Kappa
Earth
Defender
Francesca
Dark
Striker

Aer, Demiurge Vlada, Regina, Kappa, Francesca

options.

Monad Iota
Dark
Ranger

Monad Iota

DarkDark and can the boss.