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How to Beat Alluvion - Final Fantasy Resonance

EdiLast Updated: November 2, 2026 at 9:50 AM
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Alluvion Summary

Alluvion Libra

Alluvion is a Lvl. 26 Boss you encounter in Chapter 3: Wardens of the Aquapolis Main Quest, after lowering the water in the Water Shrine and going in the deepest room of the deepest floor.

Alluvion is a Humanoid with 48000 HP and is very adept at magic. She summons Prism Cores which strengthen her attacks. She is someone to look out for but with Ramuh and Archwitch Fina in your party, you can make easy work of him.

StrengthWeakness
● Immune to Poison, Sleep, Confusion, Petrify, Charm, Berserk, Instant Death, and Gravity
● Water
● Lightning

Alluvion Attack Patterns

AttackDescription
GravityAlluvion Gravity
Alluvion casts a Black Magic spell on one target that deals half the target's HP.
ThundaraAlluvion Thundara<>Alluvion casts a Thunder Magic spell that deals minor damage to the party.
Summon Prism CoresAlluvion Summon Prism Cores<>Alluvion summons three Prism cores that attack and will be consumed to cast Graceful Deluge.
WateraAlluvion Watera<>Alluvion casts a Water Magic spell that deals minor damage to the party.
WatergaAlluvion Waterga<>Alluvion casts a Water Magic spell that deals decent damage to the party.
MaelstromAlluvion Maelstrom<>Alluvion casts a Water Magic spell that deals decent damage to the party.
The Divine SignetAlluvion The Divine Signet<>Alluvion casts Charm and Berserk to a single target. Charm lasts for one turn while Berserk lasts for three turns.
Graceful DelugeAlluvion Graceful Deluge<>Alluvion consumes the remaining Prism Cores in her party and casts a strong Water Magic spell to the entire party. The more Prism Cores that Alluvion consumes, the stronger this attack becomes.

How to Beat Alluvion

[1] Use Ramuh.

Ramuh

Ramuh is the Esper you acquire in Mt. Thunderclap. He is a powerful Esper who has great affinity with Lightning. His spells are extra effective against Alluvion and her Prism Cores because they are weak against Lightning.

[2] Prepare to use Shell, Esuna, and Arcane Guard.

Alluvion Esuna

Alluvion can only attack using Magic and every attack deals decent damage. With the Prism Cores, it is inevitable that your party will take significant hits.

Use Shell or Shellga to increase your Magic Defense and prepare Esuna to cure anyone inflicted with Charm and Berserk from Alluvion's The Divine Signet. Arcane Guard is also extremely effective against Graceful Deluge, as it halves the damage it deals.

[3] Equip Magic Counter.

As mentioned before, Alluvion only uses magic spells, so it will trigger Magic Counter every time she attacks. Use this and you will manage to hit back against her and her Prism Cores all the time.

Alluvion Rewards

Alluvion Rewards

Alluvion drops:

  • Azure Amulet
  • EXP x 6410
  • Gil x 7740
  • MRP x 70

Related Guides

List of Bosses

Bosses Headers

Final Fantasy Resonance Wiki

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