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How to Beat Adrastea - Final Fantasy Resonance

EdiLast Updated: November 2, 2026 at 9:50 AM
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Adrastea Banner FFR

Adrastea Summary

Adrastea Libra

Adrastea is the Lvl. 16 Machina that chase after Rain and his party after they try to escape Mobliz Shipyard. When its stagger gauge is relatively low, it will prepare to cast a special move that hits hard.

With tons of status ailment immunities, the best course of action is to focus on dealing damage. Even with its special trait, dealing stagger damage, it is also recommended as long as you do manage to stagger it before it casts its special move.

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

Adrastea Attack Patterns

AttackDescription
MissileMissile
A single target Physical attack that deals decent damage based on the target's HP.
Flash BombFlash Bomb
A Physical attack that deals weak damage to the entire party. Has a chance to inflict Blind.
Atomic RayADrastea Atomic Ray
A powerful Fire Physical attack that damages a single target.
FiraAdrastea Fira
A Fire Magic attack that deals decent damage to the entire party.
Machine GunAdrastea Machine Gun
A single target multi-hit Physical attack that deals minor damage.
Wave CannonAdrastea Wave Cannon
A powerful Magic attack that targets the whole party. This attack only happens after Adrastea charges for one turn and its Stagger Gauge is below half.

How to Beat Adrastea

[1] Use Protectga for the majority of the fight, and Arcane Guard when it is about to use Wave Cannon.

Adrastea Protectga

Most of Adrastea's attacks are physical attacks, so using Protect or Protectga is very useful. When you are about to get hit by its Wave Cannon, the strongest defense to it is Arcane Guard because it reduces all damage from magic attacks by 50%.

You can pair Arcane Guard with Shellga for extra magic defense.

[2] Equip Cloud or Ramuh.

Adrastea Cloud Ascension

Cloud's Resonance ability Ascension is a powerful physical damage lightning attack that can deal over half of Adrastea's HP when it is a critical hit. There is a huge chance for this to happen, as this ability has a high critical hit rate.

Even if the attack does not turn into a critical hit, the Lightning affinity of the attack deals extra damage to Adrastea.

Ramuh is a Lightning-affinity Esper that fits perfectly against Adrastea. He will deal extra damage any time he attacks Adrastea since all of his attacks are Lightning element.

[3] Equip Physical Counter and use Multi-Cover.

Flash Bomb

Most of Adrastea attacks are Physical so using Physical Counter lets you deal extra damage any time it attacks the Physical Counter user. Using Multi-Cover also guarantees that the Physical Counter is activated if Adrastea targets other party members.

Adrastea also has two attacks that are multi-target and multi-hit: Flash Bomb and Machine Gun. With both Multi-Cover and Physical Counter, this guarantees that the Physical Counter is activated multiple times for every hit the user tanks from Adrastea.

We recommend equipping this to Rain or Lasswell.

Adrastea Rewards

Adrastea drops:

  • Lightning Scroll II
  • EXP x 2250
  • Gil x 3000
  • MRP x 50

Related Guides

List of Bosses

Bosses Headers

Final Fantasy Resonance Wiki

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