Unite and Fight/September 2025/Omega Grids
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| Event | Preparation | Omega Grids | Optimus Grids |
Horde
Extreme+
Nightmare Lvl 90
Nightmare Lvl 100
Nightmare Lvl 150
Useful Nightmare Characters
Unite and Fight higher Nightmare difficulty raids often have strong special attacks that give the boss several buffs while also inflicting troublesome debuffs. Building a team that can reliably work around these issues is a large part of the Unite and Fight event experience, so included below is a non-exhaustive list of useful characters players can consider.
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Nightmare Lvl 200

Inflict

Strength: 25%Duration: 2 turnsLocal status effect and

Strength: 30%Duration: 1 turn Local status effect. Ultimate Palm Strike



Increase

Inflict

Strength: 25%Duration: 2 turnsLocal status effect and

Strength: 30%Duration: 1 turn Local status effect.'s specs.
(Hit number doubles. Gain

Strength: 100%Multiplier: AssassinDuration: 1 turn .)

Increase


Strength: 40%-120%Duration: 3 turns,

Strength: 20%Multiplier: SeraphicDuration: 3 turns, and

Strength: 20%Duration: 3 turns.
(Consumes 25% of max HP.)'s specs.
(Gain

Strength: 50%Duration: 3 turns and

Duration: IndefiniteAlso called "Lethal Attack Dodged".
Consumes 40% of max HP instead.)

5-turn cut to

(Enter

Duration: 4 turns mode. End cooldown for all skills.
When a Melee-specialty ally of the same element as caster normal attacks:
1-turn cut to this skill's standby. Can't recast.
While in

Duration: 4 turns mode: Other allies can't participate in battle. Can't use items.)'s skill standby.

Upon using


Duration: 2 turnsCounter attacks grant 5% charge bar per hit.,

Duration: 2 turns,

Strength: 150%Duration: 2 turns,

Duration: 2 turnsFull hostility has the same properties as Substitute, but has lower targeting priority than Substitute, and

Duration: Indefinite"Veil" is an unofficial name used by the wiki for this status effect. Its actual in-game name is "Immune.".:
Gain

Strength: 50%Duration: 3 turns,

Strength: 100% chance of dealing 20% more damage.Duration: 3 turns, and

Duration: 3 turns.



| This is set as a Quick Summon | ||||||||
| Replacements: |
| Turn 1 |
|



When lvl 7 at end of turn: Ends cooldown for damage skills / Resets Exciting Match lvl / ATK is sharply boosted (Can't be removed)
Duration: Indefinite.
(Can't be recast.) Fight Song

Inflict

Strength: 25%Duration: 180 seconds. Rain of Arrows III



| This is set as a Quick Summon | ||||||||
- Ensure that the team survives on turn 3.
| Turn 1 |
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| Turn 2 |
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| Turn 3 |
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| Turn 4 |
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Duration: Indefinite,

Duration: Indefinite"Veil" is an unofficial name used by the wiki for this status effect. Its actual in-game name is "Immune.", and

Duration: Indefinite.
(When

is 5: Affects all allies.) Bespoke Tailoring

Inflict

Strength: 25%Duration: 180 secondsStacking: Dual and

Strength: 25%Duration: 180 secondsStacking: Dual.
Remove 1 buff.
Gain

Duration: Indefinite.
(When a foe uses a special attack: End cooldown.) Sei Colpi


At end of turn when MC didn't take damage:
All Dark allies gain

Strength: 10,000 (Max: 50,000)Duration: Indefinite.



| This is set as a Quick Summon | ||||||||


Ouroboros Mino
Skill
When MC has 1 or more Crests of their element:
6-hit, 100% Elemental damage to all foes (Damage cap: 111,250 per hit).
Inflict

Strength: 10% (Max: 30%)Duration: 180 seconds.
(Consumes 30% of charge bar.)
Support
30,000 + 5,000 Supplemental Damage to all allies based on their number of Crests of their element (Max: 55,000).



Duration: Indefinite.
Boost to Dark allies' skill specs based on their number of

.
(Takes effect even when Lobelia is a sub ally.)


Gain

Duration: 2 turns.
(When 50% charge bar is consumed: Also gain

Duration: 2 turns.) Wild Magica

All allies gain

Strength: 20%Duration: 3 turns,

Strength: 30%, and 1 Elemental Crest

Duration: Indefinite

Duration: Indefinite

Duration: Indefinite

Duration: Indefinite

Duration: Indefinite

Duration: Indefinite.
(Crest gained based on caster's element.) Secret Triad


Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual and

Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual on all foes. Miserable Mist


When a foe's charge diamonds are empty before attacking:
All Dark allies gain

Strength: 10% (Max: 50%)Duration: Indefinite,

Strength: 10% (Max: 50%)Duration: Indefinite, and

Strength: 5% (Max: 25%)Duration: Indefinite.



| This is set as a Quick Summon | ||||||||


Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual and

Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual on all foes. Miserable Mist


(Enter

Duration: 4 turns mode. End cooldown for all skills.
When a Melee-specialty ally of the same element as caster normal attacks:
1-turn cut to this skill's standby. Can't recast.
While in

Duration: 4 turns mode: Other allies can't participate in battle. Can't use items.) Sumai Meet

Increase

Inflict

Strength: 25%Duration: 2 turnsLocal status effect and

Strength: 30%Duration: 1 turn Local status effect.'s specs.
(Hit number doubles. Gain

Strength: 100%Multiplier: AssassinDuration: 1 turn .)

Increase


Strength: 40%-120%Duration: 3 turns,

Strength: 20%Multiplier: SeraphicDuration: 3 turns, and

Strength: 20%Duration: 3 turns.
(Consumes 25% of max HP.)'s specs.
(Gain

Strength: 50%Duration: 3 turns and

Duration: IndefiniteAlso called "Lethal Attack Dodged".
Consumes 40% of max HP instead.)

5-turn cut to

(Enter

Duration: 4 turns mode. End cooldown for all skills.
When a Melee-specialty ally of the same element as caster normal attacks:
1-turn cut to this skill's standby. Can't recast.
While in

Duration: 4 turns mode: Other allies can't participate in battle. Can't use items.)'s skill standby.

Upon using


Duration: 2 turnsCounter attacks grant 5% charge bar per hit.,

Duration: 2 turns,

Strength: 150%Duration: 2 turns,

Duration: 2 turnsFull hostility has the same properties as Substitute, but has lower targeting priority than Substitute, and

Duration: Indefinite"Veil" is an unofficial name used by the wiki for this status effect. Its actual in-game name is "Immune.".:
Gain

Strength: 50%Duration: 3 turns,

Strength: 100% chance of dealing 20% more damage.Duration: 3 turns, and

Duration: 3 turns.





Duration: 180 seconds on a foe. Blind


Duration: Indefinite,

Duration: Indefinite"Veil" is an unofficial name used by the wiki for this status effect. Its actual in-game name is "Immune.", and

Duration: Indefinite.
(When

is 5: Affects all allies.) Bespoke Tailoring

Inflict

Strength: 25%Duration: 180 secondsStacking: Dual and

Strength: 25%Duration: 180 secondsStacking: Dual.
Remove 1 buff.
Gain

Duration: Indefinite.
(When a foe uses a special attack: End cooldown.) Sei Colpi

200% Dark damage to a foe (Damage cap: ~470,000) upon

allies' triple attacks.



Duration: Indefinite,

Duration: Indefinite"Veil" is an unofficial name used by the wiki for this status effect. Its actual in-game name is "Immune.", and

Duration: Indefinite.
(When

is 5: Affects all allies.)'s cooldown changes to 7 turns.

Increase

Inflict

Strength: 25%Duration: 180 secondsStacking: Dual and

Strength: 25%Duration: 180 secondsStacking: Dual.
Remove 1 buff.
Gain

Duration: Indefinite.
(When a foe uses a special attack: End cooldown.)'s specs.
(Inflict

Strength: 20%Duration: 180 seconds and

Strength: 50%Duration: 3 turnsLocal status effect on all foes.)

Raise

Duration: Indefinite by 1 at battle start.
Gain

Strength: 20%Duration: 3 turns upon using

Inflict

Strength: 30,000Duration: 1 turn Local status effect on all foes.
Gain

Duration: 2 turns.
(When

is 5:
Hit number doubles.
Extend

's duration by 1 turn.
Gain

Duration: 1 turn .).



AmplifyStacking: Special skill DMG by 10%.
(Activates when any of Dark Omega, Dark Taboo, or Dark Optimus weapon skills have a boost of 280% or above.)



| This is set as a Quick Summon | ||||||||


Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual and

Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual on all foes. Miserable Mist


Duration: Indefinite,

Duration: Indefinite"Veil" is an unofficial name used by the wiki for this status effect. Its actual in-game name is "Immune.", and

Duration: Indefinite.
(When

is 5: Affects all allies.) Bespoke Tailoring

Inflict

Strength: 25%Duration: 180 secondsStacking: Dual and

Strength: 25%Duration: 180 secondsStacking: Dual.
Remove 1 buff.
Gain

Duration: Indefinite.
(When a foe uses a special attack: End cooldown.) Sei Colpi


At end of turn when MC didn't take damage:
All Dark allies gain

Strength: 10,000 (Max: 50,000)Duration: Indefinite.



| This is set as a Quick Summon | ||||||||
Nightmare Lvl 250


(Enter

Duration: 4 turns mode. End cooldown for all skills.
When a Melee-specialty ally of the same element as caster normal attacks:
1-turn cut to this skill's standby. Can't recast.
While in

Duration: 4 turns mode: Other allies can't participate in battle. Can't use items.) Sumai Meet


Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual and

Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual on all foes. Miserable Mist

Increase

Inflict

Strength: 25%Duration: 2 turnsLocal status effect and

Strength: 30%Duration: 1 turn Local status effect.'s specs.
(Hit number doubles. Gain

Strength: 100%Multiplier: AssassinDuration: 1 turn .)

Increase


Strength: 40%-120%Duration: 3 turns,

Strength: 20%Multiplier: SeraphicDuration: 3 turns, and

Strength: 20%Duration: 3 turns.
(Consumes 25% of max HP.)'s specs.
(Gain

Strength: 50%Duration: 3 turns and

Duration: IndefiniteAlso called "Lethal Attack Dodged".
Consumes 40% of max HP instead.)

5-turn cut to

(Enter

Duration: 4 turns mode. End cooldown for all skills.
When a Melee-specialty ally of the same element as caster normal attacks:
1-turn cut to this skill's standby. Can't recast.
While in

Duration: 4 turns mode: Other allies can't participate in battle. Can't use items.)'s skill standby.

Upon using


Duration: 2 turnsCounter attacks grant 5% charge bar per hit.,

Duration: 2 turns,

Strength: 150%Duration: 2 turns,

Duration: 2 turnsFull hostility has the same properties as Substitute, but has lower targeting priority than Substitute, and

Duration: Indefinite"Veil" is an unofficial name used by the wiki for this status effect. Its actual in-game name is "Immune.".:
Gain

Strength: 50%Duration: 3 turns,

Strength: 100% chance of dealing 20% more damage.Duration: 3 turns, and

Duration: 3 turns.




20% ATKMultiplier: EX boost to Dark allies' ATK and 15% boost to Dark allies' DEF.




AmplifyStacking: Special normal attack DMG by 10%.
(Activates when any of Dark Omega, Dark Taboo, or Dark Optimus weapon skills have a boost of 280% or above.)
| This is set as a Quick Summon | ||||||||


Strength: 20%-10%Duration: 3 turns.
Restore caster's HP (Healing cap: 1500) and remove 1 debuff.
(When

Multiplier: Normal lvl is 5: Affects all allies. Healing and debuff removal effects activate twice.) Marshaling Shout


800% Elemental damage to a foe (Damage cap: ~930,000).
Remove 1 buff.
(1

Duration: Indefinite to caster upon taking damage [Max: 5].
When

is at 5:
Skill changes to Weapon Discharge.)

3-hit, 800% Elemental damage to a foe.
Remove 3 buffs.
Inflict

Duration: 1-2 turnsLocal status effect.
Gain

Strength: 80%Duration: Indefinite.
(Consume all

. Skill changes to Assault Drive.) Assault Drive / Weapon Discharge




| This is set as a Quick Summon | ||||||||


Duration: 180 seconds on a foe. Blind


Duration: Indefinite,

Duration: Indefinite"Veil" is an unofficial name used by the wiki for this status effect. Its actual in-game name is "Immune.", and

Duration: Indefinite.
(When

is 5: Affects all allies.) Bespoke Tailoring

Inflict

Strength: 25%Duration: 180 secondsStacking: Dual and

Strength: 25%Duration: 180 secondsStacking: Dual.
Remove 1 buff.
Gain

Duration: Indefinite.
(When a foe uses a special attack: End cooldown.) Sei Colpi

200% Dark damage to a foe (Damage cap: ~470,000) upon

allies' triple attacks.



Duration: Indefinite,

Duration: Indefinite"Veil" is an unofficial name used by the wiki for this status effect. Its actual in-game name is "Immune.", and

Duration: Indefinite.
(When

is 5: Affects all allies.)'s cooldown changes to 7 turns.

Increase

Inflict

Strength: 25%Duration: 180 secondsStacking: Dual and

Strength: 25%Duration: 180 secondsStacking: Dual.
Remove 1 buff.
Gain

Duration: Indefinite.
(When a foe uses a special attack: End cooldown.)'s specs.
(Inflict

Strength: 20%Duration: 180 seconds and

Strength: 50%Duration: 3 turnsLocal status effect on all foes.)

Raise

Duration: Indefinite by 1 at battle start.
Gain

Strength: 20%Duration: 3 turns upon using

Inflict

Strength: 30,000Duration: 1 turn Local status effect on all foes.
Gain

Duration: 2 turns.
(When

is 5:
Hit number doubles.
Extend

's duration by 1 turn.
Gain

Duration: 1 turn .).






AmplifyStacking: Special skill DMG by 10%.
(Activates when any of Dark Omega, Dark Taboo, or Dark Optimus weapon skills have a boost of 280% or above.)



| This is set as a Quick Summon | ||||||||
- https://www.youtube.com/watch?v=kicfMMrSaBg - えるぴぃ
- https://www.youtube.com/watch?v=SwQSXxfbL9I - sus翔 (alt grid)


.
(Takes effect even when Cagliostro is a sub ally.)


.
(Takes effect even when Florence is a sub ally.)



Strength: 30% and

Strength: 10%Duration: 3 turns.
(Additional effect when 7

are consumed:
Caster also gains Instant ChargeInstantly sets Charge Bar to 100%
Unaffected by Charge Bar Gain status effects.
No effect when afflicted with Shorted debuffs or when Charge Bar is above 100%. and

Duration: Indefinite.) Celestial Genesis


2-hit, 800% elemental damage to all foes (Damage cap: ~830,000 per hit).
Inflict

Strength: 30%Base Accuracy: Guaranteed to land if the foe does not have 100% debuff resistance (10,000% base accuracy)Duration: 1 turn Local status effect and

.
Remove 1 buff.
Raise foes'

Duration: IndefiniteLocal status effect lvl by 1 (Max: 2).
(Consumes 7

.
When a foe's

Local status effect lvl is 2:
Skill changes to Five-Phase Seal.)

6-hit, 800% elemental damage to all foes (Damage cap: ~830,000 per hit).
Inflict

Strength: 30%Base Accuracy: Guaranteed to land if the foe does not have 100% debuff resistance (10,000% base accuracy)Duration: 1 turn Local status effect and

Base Accuracy: GuaranteedDuration: 1 turn Local status effect.
Clear charge diamonds.
Remove 3 buffs.
Reset foes'

Local status effect lvl.
(Consumes 7

. Skill changes to Execration.) Execration


Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual and

Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual on all foes. Miserable Mist

20% ATKMultiplier: EX boost to Dark allies' ATK and 15% boost to Dark allies' DEF.




| This is set as a Quick Summon | ||||||||



Duration: Indefinite,

Duration: Indefinite"Veil" is an unofficial name used by the wiki for this status effect. Its actual in-game name is "Immune.", and

Duration: Indefinite.
(When

is 5: Affects all allies.) Bespoke Tailoring

Inflict

Strength: 25%Duration: 180 secondsStacking: Dual and

Strength: 25%Duration: 180 secondsStacking: Dual.
Remove 1 buff.
Gain

Duration: Indefinite.
(When a foe uses a special attack: End cooldown.) Sei Colpi


At end of turn when MC didn't take damage:
All Dark allies gain

Strength: 10,000 (Max: 50,000)Duration: Indefinite.

20% ATKMultiplier: EX boost to Dark allies' ATK and 15% boost to Dark allies' DEF.


20% ATKMultiplier: EX boost to Dark allies' ATK and 15% boost to Dark allies' DEF.






At end of turn when MC didn't take damage:
All Dark allies gain

Strength: 10,000 (Max: 50,000)Duration: Indefinite.

20% ATKMultiplier: EX boost to Dark allies' ATK and 15% boost to Dark allies' DEF.


20% ATKMultiplier: EX boost to Dark allies' ATK and 15% boost to Dark allies' DEF.




| This is set as a Quick Summon | ||||||||
| Replacements: Wedges of the Sky |
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| Replacements: Zirnitra | ||||||||


Duration: Indefinite.
(Can't be recast.) Birdsong of Balmy Breeze

All allies gain

Strength: 10% (Max: 50%)Duration: Indefinite,

Strength: 5% (Max: 25%)Duration: Indefinite, and

Strength: 2% (Max: 10%)Duration: Indefinite.
(While

Upon using charge attack: Forest friends come to the rescue
Upon taking DMG: Forest friends come to the rescue
When foe uses a special attack: Forest friends come to the rescue
(Can't be removed)
is in effect: Auto-activates upon normal attacks.) Log Lop


Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual and

Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual on all foes. Miserable Mist

20% ATKMultiplier: EX boost to Dark allies' ATK and 15% boost to Dark allies' DEF.





20% ATKMultiplier: EX boost to Dark allies' ATK and 15% boost to Dark allies' DEF.




| This is set as a Quick Summon | ||||||||
- User:Kent
- https://www.youtube.com/watch?v=I6xuFLze17Q - へかて (Kou)


Duration: Indefinite,

Duration: Indefinite"Veil" is an unofficial name used by the wiki for this status effect. Its actual in-game name is "Immune.", and

Duration: Indefinite.
(When

is 5: Affects all allies.) Bespoke Tailoring

Inflict

Strength: 25%Duration: 180 secondsStacking: Dual and

Strength: 25%Duration: 180 secondsStacking: Dual.
Remove 1 buff.
Gain

Duration: Indefinite.
(When a foe uses a special attack: End cooldown.) Sei Colpi


Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual and

Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual on all foes. Miserable Mist

200% Dark damage to a foe (Damage cap: ~470,000) upon

allies' triple attacks.



Duration: Indefinite,

Duration: Indefinite"Veil" is an unofficial name used by the wiki for this status effect. Its actual in-game name is "Immune.", and

Duration: Indefinite.
(When

is 5: Affects all allies.)'s cooldown changes to 7 turns.

Increase

Inflict

Strength: 25%Duration: 180 secondsStacking: Dual and

Strength: 25%Duration: 180 secondsStacking: Dual.
Remove 1 buff.
Gain

Duration: Indefinite.
(When a foe uses a special attack: End cooldown.)'s specs.
(Inflict

Strength: 20%Duration: 180 seconds and

Strength: 50%Duration: 3 turnsLocal status effect on all foes.)

Raise

Duration: Indefinite by 1 at battle start.
Gain

Strength: 20%Duration: 3 turns upon using

Inflict

Strength: 30,000Duration: 1 turn Local status effect on all foes.
Gain

Duration: 2 turns.
(When

is 5:
Hit number doubles.
Extend

's duration by 1 turn.
Gain

Duration: 1 turn .).

20% ATKMultiplier: EX boost to Dark allies' ATK and 15% boost to Dark allies' DEF.




| This is set as a Quick Summon | ||||||||
- https://x.com/dororinn0501/status/1966299467919106151 - dororinn0501
- This setup is a FA with manual refreshes.
- MC skills are assumed as none were listed by the source.


Duration: 1 turn .
(Consumes 40% of charge bar.) No More Doubt


Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual and

Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual on all foes. Miserable Mist


Duration: 180 seconds on a foe. Blind



Strength: 30%Duration: 2.5 turnsApplied during the attack phase.
On the next turn, it'll have 2 turns remaining. upon MC using charge attack.

20% ATKMultiplier: EX boost to Dark allies' ATK and 15% boost to Dark allies' DEF.




| This is set as a Quick Summon | ||||||||
- https://x.com/tamakoro_913/status/1966355363701338377/photo/1 - tamakoro_913
- This setup is a FA with manual refreshes.

































































































































































































































































