Completion

Jotunn: Revenge Blast & Gauge Reactions

Prepare Fire or Dark for Jotunn, avoid Ice, and handle its response to large gauge reductions and increasingly dangerous low-HP Revenge Blast.

Source-reviewedBy Resonance AtlasUpdated
Fire or Dark · Ice ineffectiveRain character guide →
Rain official character illustration
Rain · official character illustration and promotional context; preparation suggestion. © SQUARE ENIX

Mysidia · Jotunn Cave · entrance level 42

Element to checkFire or Dark · Ice ineffective
Watch forRevenge Blast / gauge-response attack
First priorityHeal before a large gauge reduction

Selected enemy traits and effective commands, with practical responses derived from those mechanics. Source-reviewed; exact patch and independent gameplay results are unverified.

On this pageHow should you prepare for Jotunn?Manage the gauge and closing phaseIf an ally is disabled or defenses fallSources & review

How should you prepare for Jotunn?

Bring Fire or Dark damage, physical protection and buff removal to the level-42 Mysidia cave. Ice is ineffective. The unusual problem is the boss’s response to rapid gauge reduction, alongside a powerful attack that becomes more dangerous as its HP falls.

Rain’s available Fire commands can cover offense. Keep a separate recovery role and a way to restore an ally disabled by Paralysis. A large burst is only useful if the party survives the enemy response around it.

Manage the gauge and closing phase

  1. Heal before committing a turn that will cut a large amount of Stagger gauge. Its trait warns of a powerful response to rapid reduction; do not assume a nearly broken gauge makes the setup turn harmless.
  2. Continue effective Fire or Dark attacks while watching the enemy warning and action order.
  3. Remove the offensive buff associated with Fist of Vigor when possible.
  4. In the low-HP phase, prioritize stopping Revenge Blast with an achievable Stagger. If it cannot be stopped, defend the threatened ally and leave recovery ready.

If an ally is disabled or defenses fall

Physical attacks can impose Paralysis or lower defense, while Blizzaga adds party-wide Ice magic pressure. Restore control before spending the last available action on damage. Physical protection alone does not cover the entire move set.

No fixed hit count or universal HP threshold for these responses is established here. Follow the active warnings rather than copying a turn script from another difficulty. See all master fights for the next preparation.

Sources & review

Sources checked on 26 October 2026. This is a source-based guide, not a claim of independent gameplay testing. A specific patch number has not been verified. Read our editorial policy.

  • FF Resonance Wiki — Jotunn selected enemy traits and affinitiesCommunity enemy reference; selected encounter facts, no full stat table reproduced
  • PowerPyx — Cave Master locationsIndependent guide

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