Ratings
| Diantha (Summer)
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- Role: Support
- Provides 100%
 TA UpTriple attack rate is boosted
for 1 turn.
- Synergizes very well with skill that can provide attack without using up a turn.
- Has unique undispellable buff
 Tlepilli GlowATK and multiattack rate are boosted (Can't be removed)
that greatly increases attack, DA and TA rate.
- Unable to do charge attack damage by herself, but her OnstageGain
 HypeATK is boosted
Duration: 3 turns.
All other allies gain  10% C.A. DMG Up (Stackable / Max: 100%)Charge attack DMG is boosted (Stackable / Can't be removed)
Strength: 10% (Max: 100%)Duration: Indefinite,  5% C.A. DMG Cap Up (Stackable / Max: 50%)Charge attack DMG cap is boosted (Stackable / Can't be removed)
Strength: 5% (Max: 50%)Duration: Indefinite, and  Charge Bar +20%Instantly boosts Charge Bar by 20%
Strength: 20%.
(When caster's HypeATK is boosted
is 4:
Restore all allies' HP [Healing cap: 2000].) is good as most water teams are charge attack oriented.
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RatingThe character's overall rating out of 10.
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GrindingThe character's general efficiency in repeatedly clearing menial content with an emphasis on real-time speed.
GW Max Grade: SS
KG Max Grade: SS
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Full AutoThe character's general performance in Full Auto parties.
GW Max Grade: SS
KG Max Grade: SS
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High DifficultyThe character's capability relative to the game's most difficult content.
GW Max Grade: SS
KG Max Grade: SS
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Last Update
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 GameWith
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9.3
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B
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A
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A
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2023-09-21
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 Kamigame
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8.5
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B
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B
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B
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2023-11-01
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Overview
Diantha (Summer) is a potent party buffer useful for longer battles, providing party-wide multiattack, healing, Bonus Damage, and special buffs. However, her lack of charge attack damage lowers her damage potential and results in lower party Chain Burst damage, in an element that typically leans towards charge attack burst damage.
How to Play
- Diantha's main gimmick is using
Idol on the BeachRestore 10% of all allies' HP (Healing cap: 2500).
All allies gain 
10% Bonus Water DMGDeals bonus water DMG for one-foe one-ally attacks
Strength: 10%Duration: 5.5 turnsApplied during the attack phase.
On the next turn, it'll have 5 turns remaining. and Tlepilli GlowATK and multiattack rate are boosted (Can't be removed)
Strength: 30% ATK Up / 50% DA Up / 25% TA UpMultiplier: NormalDuration: 5.5 turnsStacking: Special BuffApplied during the attack phase.
On the next turn, it'll have 5 turns remaining..
Diantha gains 
Dodge All (1 time)Takes no DMG or debuffs while in effect for a set period
Duration: Indefinite. as much as possible to maintain her Tlepilli GlowATK and multiattack rate are boosted (Can't be removed)
and 10% Bonus Water DMGDeals bonus water DMG for one-foe one-ally attacks
Strength: 10% buffs, with a bonus party-wide heal for further sustain.
Summer Flower of FateWhen a Water chain burst activates:
Extend all allies' HypeATK is boosted
based on number of chains.
Cut to debuff durations based on number of chains. and her 
Extended Mastery Support SkillLessen fire DMG for all allies | ★☆☆ | ★★☆ | ★★★ |
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| Not Found | Not Found | Not Found |
have party-wide benefits just by having her on the front line.
Summer EncoreAll allies gain Guaranteed TAGuaranteed triple attack regardless of Triple Attack Lowered debuffs
Duration: 1 turn . gives the party one turn of guaranteed triple attacks, useful for gaining charge bar and deals even more damage with buffs like 10% Bonus Water DMGDeals bonus water DMG for one-foe one-ally attacks
Strength: 10%.
OnstageGain HypeATK is boosted
Duration: 3 turns.
All other allies gain 10% C.A. DMG Up (Stackable / Max: 100%)Charge attack DMG is boosted (Stackable / Can't be removed)
Strength: 10% (Max: 100%)Duration: Indefinite, 5% C.A. DMG Cap Up (Stackable / Max: 50%)Charge attack DMG cap is boosted (Stackable / Can't be removed)
Strength: 5% (Max: 50%)Duration: Indefinite, and Charge Bar +20%Instantly boosts Charge Bar by 20%
Strength: 20%.
(When caster's HypeATK is boosted
is 4:
Restore all allies' HP [Healing cap: 2000].) provides a Charge Bar +20%Instantly boosts Charge Bar by 20%
Strength: 20% and boosts C.A. specs for all other allies, though she won't gain any of its effects.
Standing OvationAll allies gain HypeATK is boosted
Duration: 3 turns.
(When caster's HypeATK is boosted
is 4:
All allies also gain 
Dispel Cancel (1 time)Effects that remove buffs will be nullified (1 time)
Duration: Indefinite.) provides HypeATK is boosted
, a unique buff that will stack with all other attack buffs, including Tlepilli GlowATK and multiattack rate are boosted (Can't be removed)
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Synergy
Main Character
Elysian: Using 
Dante Alighieri as a main weapon, Elysian is a potent debuffer with 
Dirge for the DeadInflict 
15% DEF DownDEF is lowered
Strength: 15%Base Accuracy: 90%Duration: 180 secondsStacking: Dual and 20% Element DEF DownElement DEF Down debuff based on weapon element
Strength: 20%Base Accuracy: 90%Duration: 180 seconds. and the weapon's second skill. Its charge attack, Disperazione Finale450%Massive Water damage to a foe.
All allies gain 
25% Debuff Success BoostedDebuff success rate is boosted
Strength: 25%Duration: 2.5 turnsApplied during the attack phase.
On the next turn, it'll have 2 turns remaining. and 
StrengthATK is greatly boosted based on how high HP is
Strength: 30%-10%Duration: 2.5 turnsStacking: TeamwideApplied during the attack phase.
On the next turn, it'll have 2 turns remaining..
After 5★:
Damage increased to 550%.
StrengthATK is greatly boosted based on how high HP is
Strength: 45%-15%Duration: 3.5 turnsStacking: TeamwideApplied during the attack phase.
On the next turn, it'll have 3 turns remaining. effect increased.
25% Debuff Success BoostedDebuff success rate is boosted
Strength: 25%Duration: 3.5 turnsApplied during the attack phase.
On the next turn, it'll have 3 turns remaining. and StrengthATK is greatly boosted based on how high HP is
Strength: 45%-15%Duration: 3.5 turnsStacking: TeamwideApplied during the attack phase.
On the next turn, it'll have 3 turns remaining. duration increased to 3.5 turns., also works well with Diantha's healing to keep the StrengthATK is greatly boosted based on how high HP is
buff at maximum effect. Diantha's passive buffs are reliable enough to forgo 
Call of the AbyssHarp: All allies gain 
80% DA UpDouble attack rate is boosted
Strength: 80%, 30% TA UpTriple attack rate is boosted
Strength: 30%, and 
35% Charge Bar Gain LoweredCharge bar gain is lowered
Strength: 35%.
Dagger: All allies gain 40% DA UpDouble attack rate is boosted
Strength: 40%, 10% TA UpTriple attack rate is boosted
Strength: 10%, and 35% Charge Bar Gain LoweredCharge bar gain is lowered
Strength: 35%., freeing up subskill slots for other skills.
- Although
Drum Master is an alternate Harp class, its low personal damage, high multiattack rate, and role as a party buffer makes it a poor fit with Diantha.
Nekomancer: By using Diantha as the party's buffer, Nekomancer can be used as an auto-attacker who hits all enemies at once, with bonus damage from its support skill that stacks with the bonus damage from Diantha's C.A.
Warlock: Works similarly as a Nekomancer team. In battles against multiple enemies, 
ChokeAll allies gain 
Attack AllAttacks each foe
Duration: 3 turns. lets all allies attack all enemies to provide significant damage in conjunction with Summer EncoreAll allies gain Guaranteed TAGuaranteed triple attack regardless of Triple Attack Lowered debuffs
Duration: 1 turn .. Alternatively—or additionally— ChaserAll allies gain 20% Bonus DMGDeals bonus DMG for one-foe one-ally attacks
Strength: 20%Duration: 3 turns. stacks with Diantha's bonus damage.
Summons
Extended Mastery Perks
Resources
Ti Icniuhtli Xolotl: Easy way to grant 
ATK
DEF
Debuff Resistance
Overdrive Attack
Overdrive Curbed
HP
Double Attack Rate
Critical Hit
Boost to Charge Bar Speed
Healing
Lessen fire DMG for all allies