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Aigaion Kai (アイガイオン)

Missions

Clear: クロスアイガイオンアーム(2H Fist)
     162 ATK, 
     1.4x to 1.6x Variance &  50% Accuracy
     High Tide ( 100% LB Fill Rate), 
      75% Physical Damage to Humans

2 x Thunder/Light Damage: 10% Trust Moogle

Summon Esper: 50 x Trust Coins

Kill レフトアーム・機 & ライトアーム・機 w/ Spell: 1 x Unit Of Choice Ticket
    Machine Arm - Left & Machine Arm - Right

Clear Videos

• Youtube /u/Okabe666

  • [32 Turns, All Missions] - with Guide
  • CG CharlotteCG FolkaSolCG LidWilhelmSol

• Youtube /u/Rozaliin

  • [154 Turns, 2/3 Missions] (Slow & Safe method) - with English commentary
  • OlbericCG CharlotteSoraCG FolkaCG LidSora

• Youtube Kugel

  • [18 Turns, All Missions] Requires Queen STMR to work - with Japanese commentary
  • Summer Fina & Lid 2018CG CharlotteCG FolkaReginaCG SieghartRegina

• Youtube /u/AradoEloute

  • [189 Turns, 2/3 Missions] (Slow & Safe method) - Last 10 minutes.
  • CG LasswellBaschCG NicholSummer Fina & Lid 2018Santa Roselia(CG) Light Warrior Bartz

• YouTube /u/Meyrime

  • [30 Turns, All Missions] - with Guide
  • Wilhelm|Summer Fina & Lid 2018|CG Folka|Chocobo Fina|CG Charlotte

Aigaion:

Monster Info

• Name: アイガイオン (Aigaion Kai)
• Race: Machine
• Level: 99
• Libra: Link
• Actions/Turn: 60

Stats

Values in ( ) indicate extra stats gained from passives.
These are not affected by breaks.

Resistances

Skillset / AI / Behaviour thanks to /u/togeo and aEnigma

Any arms alive:

Both arms dead:

3 turns after the arms are destroyed, Aigaion will try to summon the next tier of arms if available
スペースディストーション (215924): Increase DEF and SPR by 300% for 3 turns to caster,
Set all elements resistance to 300% for 3 turns to caster (can not be removed)

If 宇宙大崩壊 or 宇宙崩壊 is not cast due to arms resummon, they will be used right away when the arms are gone.
So, it's very possible to get hit by the meteor (strong or normal one) two times in row.
Also, crossing the 40% threshold on turn (6n - 3) will make two meteors happen in a row.

The best turns to kill the arms is (6n - 2)
Example, turn 10, 22, or 34.

Arm Set #1

Monster Info

• Name: レフトアーム・悪魔 (Left Arm 1)
• Race: Demon
• Level: 99
• Libra: Link
• Actions/Turn: 20

Stats

Values in ( ) indicate extra stats gained from passives.
These are not affected by breaks.

Resistances

Skillset / AI / Behaviour thanks to /u/togeo and aEnigma

Skips turn when summoned

When Right Arm is alive:

When Right Arm is dead:

Monster Info

• Name: ライトアーム・獣 (Right Arm 1)
• Race: Beast
• Level: 99
• Libra: Link
• Actions/Turn: 20

Stats

Values in ( ) indicate extra stats gained from passives.
These are not affected by breaks.

Resistances

Skillset / AI / Behaviour thanks to /u/togeo and aEnigma

Skips turn when summoned

When Left Arm is alive:

When Left Arm is dead:

Arm Set 2

Monster Info

• Name: レフトアーム・悪魔 (Left Arm 2)
• Race: Demon
• Level: 99
• Libra: Link
• Actions/Turn: 20

Stats

Values in ( ) indicate extra stats gained from passives.
These are not affected by breaks.

Resistances

Skillset / AI / Behaviour thanks to /u/togeo and aEnigma

Skips turn when summoned

When Right Arm is alive:

When Right Arm is dead:

Monster Info

• Name: ライトアーム・獣 (Right Arm 2)
• Race: Beast
• Level: 99
• Libra: Link
• Actions/Turn: 20

Stats

Values in ( ) indicate extra stats gained from passives.
These are not affected by breaks.

Resistances

Skillset / AI / Behaviour thanks to /u/togeo and aEnigma

Skips turn when summoned

When Left Arm is alive:

When Left Arm is dead:

Arm Set 3

Monster Info

• Name: レフトアーム・機 (Left Arm 3)
• Race: Machine
• Level: 99
• Libra: Link
• Actions/Turn: 20

Stats

Values in ( ) indicate extra stats gained from passives.
These are not affected by breaks.

Resistances

Skillset / AI / Behaviour thanks to /u/togeo and aEnigma

Skips turn when summoned

When Right Arm is alive:

When Right Arm is dead:

Monster Info

• Name: ライトアーム・機 (Right Arm 3)
• Race: Machine
• Level: 99
• Libra: Link
• Actions/Turn: 20

Stats

Values in ( ) indicate extra stats gained from passives.
These are not affected by breaks.

Resistances

Skillset / AI / Behaviour thanks to /u/togeo and aEnigma

Skips turn when summoned & Maintain Reflect every turn

When Left Arm is alive:

When Left Arm is dead:

Non Formatted Skillset / AI / Behaviour

Raw Dump: aEnigma - Link

Raw Dump: togeo - Link

Community Tips

From /u/Rozaliin

As far as I can tell, on the 3rd arm spawns only the left arm actually uses Stop and Death, so if you can kill it quickly you can completely negate those abilities.

Because of how the counterattacks/turns work on this fight, you can keep up both AoE magic cover and AoE physical cover during arm phases to significantly reduce damage as neither will overlap each other.

If you accidentally kill the left arm before the right arm, it can be worth delaying killing the right arm until just before the ATK/MAG debuff resistance buff it places on the boss is about to fall off; otherwise, when the boss dispels itself you may not be able to reapply debuffs.

My Strategy

Team:

• All units geared for minimum 30% Thunder resist.

• Folka actually works really well here - her 2000 HP barrier can allow less tanky DPS to survive!

Important things:

• Above 40% HP there will be an AoE uncoverable magic attack every 3n-1 turns (2/5/8/11 etc.) while arms are alive.

• Below 40% this will be every 2n-1 turns (19/21/23/25/27 etc.) while arms are alive.

• If both arms dead, this will become 2n-1 above 40% HP, and every turn below 40% HP.

Arm Set 1 & 2:

• Break Aigaion ATK/MAG and arms DEF/SPR

• One of the arms will apply break resist to the arms & body - this can be dispelled if needed or just keep reapplying breaks and hope.

• Buff for dark resist, and be sure to have resistance to stat debuffs.

• You will need STOP resist for 2nd set of arms.

• Provoke with Charlotte, Cover with Wilhelm. (Can use Charlotte LB for mitigation - cover will not be an issue! Thanks /u/Rozaliin)

• Nuke arms with Light element chains with Sol.

When arms are dead he will fall back to his usual "Aigaion Alone" rotation.

Arm Set 3:

• Break Aigaion ATK/MAG and arms DEF/SPR

• One of the arms will apply break resist to the arms & body - this can be dispelled if needed or just keep reapplying breaks and hope.

• Be sure to have resistance to stat debuffs, STOP and your death resist tanker provoking. I had Charlotte in slot 1 and Wilhelm in slot 5 to ensure she would take the hits in case Wilhelm had turns on his provoke remaining.

• Provoke with Charlotte, Cover with Wilhelm. (Can use Charlotte LB for mitigation - cover will not be an issue! Thanks /u/Rozaliin)

• Nuke arms with Fire or Dark element chains with Sol.

• Make sure to use Alterna via Wilhelm on the kill shot for the UoC ticket mission! (or dispel the reflect and use any spell).

When arms are dead he will fall back to his usual "Aigaion Alone" rotation.

Aigaion Alone

• Buff thunder resist.

• Nuke with Sol using Light element.

• Make sure to have all mitigations and buffs active here.

• Charlotte covers the ST Magic attacks while Wilhelm provokes . If Charlotte provoke is still active, use Cover on Wilhelm to protect her from the follow up auto attacks. Guarding and applying reraise here is recommended.

• Aigaion will self dispel his buffs and debuffs (imperils will remain) and charge up, which means next turn, cover ignoring METEOR NUKE. Charlotte CD does not help with this or the follow up AoE magic attack. Make sure to hit with LIGHT this turn!

• This bit gets boring, just keep up the same old survive and nuke strategy.

• BELOW 40% HP the rotation changes slightly and will have more common meteors and AoE Magic attacks every turn now - be careful.