Advanced Grids/Zephyrus/Burst Spartan

With the ability to wield the Dark Opus Weapon equipped with Chain of Falsehood, Spartan has incredible burst potential upon attaining Ultimate Mastery. The Double StrikeAttacks twice each turn
effect from C.A. synergizes exceptionally well with  Molon LabeAll allies gain 20% Bonus DMGDeals bonus DMG for one-foe one-ally attacks
Strength: 20%Duration: 3 turns, JammedATK is greatly boosted based on how low HP is
Strength: 30%-90%Duration: 8 turns, Guts (1 time)Can withstand lethal DMG (Leaves 1 HP)
Duration: IndefiniteAlso called "Lethal Attack Dodged", and Shield (3000)Next ATK received will be ineffective for a fixed amount
Strength: 3000Duration: Indefinite.
(Consumes 40% of each ally's current HP.), both of which are powerful buffs that allow the rest of the characters in the party to focus on being high individual damage dealers such as Narmaya (Grand), Galleon (Summer), or Noire.

Spartan

Katzelia is used for his passive ATK boost from  Judgement ReversedWhen Sub Ally: Refresh effect to Wind allies when not debuffed (Healing cap: 350). 30% boost to Wind allies' ATKMultiplier: Perpetuity when debuffed. At level 95: Refresh effect upgraded to RevitalizeRecover HP each turn (Healing cap: 1000). Gain 10% Charge BoostInstantly boosts Charge Bar by 10% Strength: 10% if HP is full. effect (Healing cap: 1000). Also boost Wind allies' DEF by 30% when debuffed. which can be activated with Belial (Summer) Transcendence Lvl 5 All allies gain 20% Bonus DMGDeals bonus DMG for one-foe one-ally attacks Strength: 20%Duration: 3 turns, JammedATK is greatly boosted based on how low HP is Strength: 30%-90%Duration: 8 turns, Guts (1 time)Can withstand lethal DMG (Leaves 1 HP) Duration: IndefiniteAlso called "Lethal Attack Dodged", and Shield (3000)Next ATK received will be ineffective for a fixed amount Strength: 3000Duration: Indefinite. (Consumes 40% of each ally's current HP.) Molon Labe Convert caster's HP to charge bar3% charge bar for every 250 HP consumed, up to 100% charge bar. (Consumes up to 50% of current HP.) Splitting Spirit 5-hit, 100% elemental damage to random foes (Damage cap: ~100,000 per hit). Gain Shield (2000)Next ATK received will be ineffective for a fixed amount Strength: 2000Duration: Indefinite. Remove 1 debuff. (When below 25% HP: Activates at end of turn.) Thermopylae

This is set as a Quick Summon

Grid 1Grid 2 Transcendence Lvl 5 Ventosus's ApotheosisBig boost to Wind allies' ATK and max HP / Big amplifying boost to DMG β Revelation Albus II50% boost to skill DMG cap and 10% boost to skill hit rate Deceitful Fallacy20% Bonus Elemental DMG effect / 100% hit to charge bar gain Optimus Exalto Aeros30% boost to Wind's, Whirlwind's, and Ventosus's weapon skills Wind's FandangoSmall boost to wind allies' ATK / Small boost to triple attack rate Ventosus's DemolishmentBig amplifying boost to wind allies' normal attack DMG Optimus Exalto Aeros30% boost to Wind's, Whirlwind's, and Ventosus's weapon skills Wind's FandangoSmall boost to wind allies' ATK / Small boost to triple attack rate Ventosus's DemolishmentBig amplifying boost to wind allies' normal attack DMG Optimus Exalto Aeros30% boost to Wind's, Whirlwind's, and Ventosus's weapon skills Wind's FandangoSmall boost to wind allies' ATK / Small boost to triple attack rate Ventosus's DemolishmentBig amplifying boost to wind allies' normal attack DMG Ventosus's BloodshedBig boost to wind allies' ATK / Take DMG worth 20% of max HP at battle start Wind's GarrisonSmall boost to wind allies' DEF based on how low HP is Ventosus's EnmityBig boost to wind allies' ATK based on how low HP is Ventosus's BloodshedBig boost to wind allies' ATK / Take DMG worth 20% of max HP at battle start Wind's GarrisonSmall boost to wind allies' DEF based on how low HP is Ventosus's EnmityBig boost to wind allies' ATK based on how low HP is Jade ValuablesWhen 15 or more weapon skill types are active: Boost to Wind allies' ATK, DEF, and DMG cap. Wind's MajestySmall boost to wind allies' ATK and max HP Tranquility's PactSupplement wind allies' DMG Dagger Voltage IIBoost to ATK based on how many daggers are equipped Tranquility's QuintessenceBoost to wind allies' DMG cap Tranquility's PactSupplement wind allies' DMG Dagger Voltage IIBoost to ATK based on how many daggers are equipped Tranquility's QuintessenceBoost to wind allies' DMG cap Makhaira PlenumBig boost to katana-specialty allies' ATK and max HP / Big boost to katana-specialty allies' ATK based on how high HP is Scandere Aggressio10% boost to one-foe attack DMG cap Fulgor ImpetusAmplifySeraphic modifier superior elemental DMG by 25%. Stormwyrm's Majesty IIIBig boost to Wind allies' ATK and max HP β Revelation50% boost to skill DMG cap Deceitful Fallacy20% Bonus Elemental DMG effect / 100% hit to charge bar gain Optimus Exalto Aeros30% boost to Wind's, Whirlwind's, and Ventosus's weapon skills Wind's FandangoSmall boost to wind allies' ATK / Small boost to triple attack rate Ventosus's DemolishmentBig amplifying boost to wind allies' normal attack DMG Optimus Exalto Aeros30% boost to Wind's, Whirlwind's, and Ventosus's weapon skills Wind's FandangoSmall boost to wind allies' ATK / Small boost to triple attack rate Ventosus's DemolishmentBig amplifying boost to wind allies' normal attack DMG Jade ValuablesWhen 15 or more weapon skill types are active: Boost to Wind allies' ATK, DEF, and DMG cap. Wind's MajestySmall boost to wind allies' ATK and max HP Ventosus's BloodshedBig boost to wind allies' ATK / Take DMG worth 20% of max HP at battle start Wind's EnmitySmall boost to wind allies' ATK based on how low HP is Wind's MightSmall boost to wind allies' ATK Ventosus's BloodshedBig boost to wind allies' ATK / Take DMG worth 20% of max HP at battle start Wind's EnmitySmall boost to wind allies' ATK based on how low HP is Wind's MightSmall boost to wind allies' ATK Jade ValuablesWhen 15 or more weapon skill types are active: Boost to Wind allies' ATK, DEF, and DMG cap. Wind's MajestySmall boost to wind allies' ATK and max HP Tranquility's PactSupplement wind allies' DMG Dagger Voltage IIBoost to ATK based on how many daggers are equipped Tranquility's QuintessenceBoost to wind allies' DMG cap Tranquility's PactSupplement wind allies' DMG Dagger Voltage IIBoost to ATK based on how many daggers are equipped Tranquility's QuintessenceBoost to wind allies' DMG cap Makhaira PlenumBig boost to katana-specialty allies' ATK and max HP / Big boost to katana-specialty allies' ATK based on how high HP is Scandere Aggressio10% boost to one-foe attack DMG cap Fulgor ImpetusAmplifySeraphic modifier superior elemental DMG by 25%.

Source:

• User:DY_DK

Rotation

Turn 1

Call Beelzebub Vania Crimson OrderFill 3 charge diamonds on a foe. All Wind allies gain DrainNormal attack and C.A. DMG dealt is partially absorbed to HP Strength: (Healing cap: 1000)Duration: 5 turns, 100% Debuff Res. UpDebuff resistance is boosted Strength: 100%Duration: 5 turns, 20% Bonus Wind DMGDeals bonus wind DMG for one-foe one-ally attacks Strength: 20%Duration: 5 turns, 50% TA UpTriple attack rate is boosted Strength: 50%Duration: 5 turns, and 15% DMG Cap UpMaximum amount of DMG that can be dealt per hit is boosted Strength: 15%Duration: 5 turns. S2 Reaping Wings800% Wind damage to a foe (Damage cap: ~820,000). Remove 1 buff. Inflict Delay (Drain)Drain 1 filled charge diamond from a foe Base Accuracy: 200%Ignores Delay immunity on most foes Unofficial status name. If successful, gain 50% Sharp ATK Up (1 time)ATK is sharply boosted Strength: 50%Multiplier: AssassinDuration: 1 turn . S1 Narmaya Effervescent HibiscusGain Butterfly EffectDeals bonus superior element DMG for one-foe one-ally attacks Strength: 100%Duration: 4 turns and Piercing SightElemental DMG dealt will be treated as superior to the target's element Duration: 4 turns. S1 Dance of Pink PetalsGain Falling MistATK is boosted by Falling Mist (Can't be removed) Strength: 50%Multiplier: AssassinDuration: 1 turn , 100% / 20% Critical Hit Rate UpAttacks made with elemental superiority have a chance to deal boosted DMG Strength: 100% chance of dealing 20% more damage.Duration: 3 turns, and KeenSupplemental DMG to critical hits Strength: 1% of foe's max HP (Damage cap: 50,000)Duration: 3 turns. S3 MC All allies gain 20% Bonus DMGDeals bonus DMG for one-foe one-ally attacks Strength: 20%Duration: 3 turns, JammedATK is greatly boosted based on how low HP is Strength: 30%-90%Duration: 8 turns, Guts (1 time)Can withstand lethal DMG (Leaves 1 HP) Duration: IndefiniteAlso called "Lethal Attack Dodged", and Shield (3000)Next ATK received will be ineffective for a fixed amount Strength: 3000Duration: Indefinite. (Consumes 40% of each ally's current HP.) Convert caster's HP to charge bar3% charge bar for every 250 HP consumed, up to 100% charge bar. (Consumes up to 50% of current HP.)

Strong Alternative Characters: (Non-Exhaustive)

Criteria	Examples
Any characters that provide a source of Bonus DMGDeals bonus DMG for one-foe one-ally attacks :
Any characters that provide offensive buffs:
Any characters that deal high normal attack damage:
Any characters that deal additional damage after normal attacks:
Any characters that provide offensive support to the team as a sub ally: