Theorylytics
CosmosLiquidSupportA-Rank

Edgar

Eibon Antique Shop

Published Jul 22, 2026 · Updated Version 1.2
Content Ratings
DamageC
Team UtilityA
Ease of UseA
Should You Pull?SKIP

A-Rank Cosmos utility from Eibon. Serviceable filler, but Cosmos S-Ranks (Zero, Chiz, Hotori, Shinku) usually take the slot.

Edgar is an A-Rank Cosmos support/attacker on Liquid Arcs. Helpful early when Cosmos options are thin, then gradually replaced.

Cosmos SupportLiquid ArcsA-Rank

Overview

Quick Build

Arc

Youthful Fantasy

Best Liquid Arc for this kit.

Cartridge

Lost Radiance (4pc)

Primary endgame Cartridge set.

Main Stats

HP% / Healing Bonus · ATK% · Charge Efficiency

Priority

Substats

HP% → Healing Bonus → ATK%

Farm order

Strengths

  • Liquid Arc compatibility keeps gear shared with same-family characters.
  • Torrential Flow healing plus Charge comfort on Liquid Cosmos shells.

Weaknesses

  • Team comps above cover premium, alt, and budget shells — swap partners by what you own.
  • Pull targets are editorial — weigh against your account needs and limited banner plans.

Skill Priority

1
Ultimate · Finnegan’s WakeCore

Team pad and Charge-facing Ultimate — raise first.

2
Skill · Torrential FlowHigh

Heal and Keys of Truth Skill — primary sustain button.

3
Passive · Gentle Edge / Unchanging WarmthMedium

Sustain and warmth passives that extend comfort windows.

4
Basic Attack · Practical Martial ArtsSupport

Cosmos filler — invest after heal/Ult tools.

Stat Priority

1
CRIT Rate~70%+
2
CRIT DMG140%+
3
ATK%High
4
Cosmos DMGOn piece / Arc
Combat loop
General

Basics / Skill to set up resources → Ultimate when ready → weave QTE on swap windows.

Standard

Exact timings vary by enemy and Arc — treat this as the intended loop, not a frame-perfect script.

Arcs

1
Youthful FantasySRecommended

S-Rank · DEF

Increases Break Intensity by 60/67/74/81/88. Seals Arc: Black Tome with two chains by default. Unleashes 1 chain each time any character on the team casts a Support Skill. Makes Arc: Black Tome available when all two chains are unleashed. Arc: Black Tome — Summons the Black Tome for 20s. Designates an enemy every 5s. Increases the wearer's Chaos DMG dealt to designated enemies by 20/24/28/32/36%. Deals Chaos DMG equal to 2/2.3/2.6/2.9/3.2% of the wearer's ATK to designated enemies when they take Break Damage.

Best shared Liquid Arc for this kit.

2

A-Rank · Healing / HP

Increases Healing Bonus by 12/14/16/18/20% for 10s after the wearer casts a Redirect Skill. Effect does not stack.

Strong F2P / early Liquid stop while chasing S-Rank options.

3

A-Rank · ATK

Grants the wearer 10/12/14/16/18 Ultimate Energy when casting a Redirect Skill. Triggers up to once every 20s.

Strong F2P / early Liquid stop while chasing S-Rank options.

4

S-Rank · ATK

Increases 5/6/7/8/9% ATK every 1s while the wearer is the active character, up to 5 stacks. Resets when the wearer leaves the field.

Competitive Liquid alternative when rank-1 is unavailable.

5

A-Rank · ATK

Increases Anima DMG dealt by the wearer's Redirect Skill and Ultimate by 20/23.8/27.5/31.2/35%.

Strong F2P / early Liquid stop while chasing S-Rank options.

Cartridges

AttributeEndgame

4pc · Cartridge + matching Modules

2pc: Cosmos DMG +10%. / 4pc: Ignores 25% of enemies' DEF for 20s after the wearer casts Ultimate. Effect does not stack.

Primary attribute set for Cosmos damage — default 4pc for this kit.

HealingEndgame

4pc · Cartridge + matching Modules

2pc: HP +10%. / 4pc: Increases wearer's Healing Bonus by 20%.

Healing Bonus 4pc — natural fit when the job is keeping the team alive.

Charge / Team ATKEndgame

4pc · Cartridge + matching Modules

2pc: Charge Efficiency +12%. / 4pc: Increases all allies' ATK by 15% for 20s after the wearer casts Ultimate. Effect does not stack.

Ult → team ATK — hybrids who heal and still want offense.

HPStarter

4pc · Cartridge + matching Modules

2pc: HP +10%. / 4pc: Restores 20% of the wearer's Max HP upon casting Ultimate. CD: 20s.

Starter Cartridge — replace with an endgame 4pc ASAP.

Team Compositions

Edgar as heal/Charge support behind Shinku. Sakiri buffs; Fadia or Hotori take the fourth slot depending on whether you want wall or replay burst.

Character Synergy
Shinku
ShinkuMain DPS

Benefits from Edgar heals and any Charge/Ult uptime padding.

Sakiri
SakiriBuffer

ATK buff for the carry.

Edgar
EdgarHealer

Torrential Flow + Finnegan’s Wake — the heal seat.

Hotori
HotoriFlex

Records Edgar Assists and Shinku Skills for time-stop payoff.

Kit & Awakenings

Kit

BasicBasic Attack: Practical Martial Arts

Up to 5 Cosmos hits using Lantern Academy martial arts.

CosmosMelee
SkillSkill: Torrential Flow

Hold to continuously channel Flow — dealing Cosmos damage while healing the lowest-HP ally. Cooldown extends with hold duration.

CosmosHeal
UltimateUltimate: Finnegan’s Wake

Opens a labyrinth field for AoE Cosmos damage that lasts 10s and continuously heals the current character.

CosmosHealField
PassivePassive: Gentle Edge / Unchanging Warmth

Charge Enhancement: the ally who triggers Charge via Assist instantly gains 120 Ultimate energy (30s CD; later Genesis Blooms on Delayed targets no longer grant energy). Casting Torrential Flow or Assist: Weight of Knowledge grants a Key of Truth (up to 3); each Key extends Finnegan’s Wake by 1s.

ChargeHeal Support
QTEQTE: Weight of Knowledge

Charges in and swings the schoolbag for AoE Cosmos damage.

QTECosmos

Awakenings

1
A1
2
A2
3
A3
4
A4
5
A5
6
A6
A1Observer Who Loves AnomaliesPull Target

When any ally casts an Assist, Edgar gains one Key of Truth.

Is it worth getting?

Worth taking if you already own them — early comfort / power stop.

A2Anomaly Hunter Still InterningPull Target

Cooldown extension from holding Skill: Torrential Flow is capped at 3s.

Is it worth getting?

Worth taking if you already own them — early comfort / power stop.

A3One of Eibon’s DetectivesSkip

Skill: Torrential Flow healing on allies below 30% HP is increased by 15%.

Is it worth getting?

Skip as a goal unless you are intentionally maxing vertical investment.

A4Practiced PlannerPull Target

Skill: Torrential Flow damage increased by 50%.

Is it worth getting?

Pull if you want the mid vertical spike; skip as a hard goal otherwise.

A5Keeper of the Antique Shop LightsSkip

Edgar’s Max HP increased by 20%.

Is it worth getting?

Skip as a goal unless you are intentionally maxing vertical investment.

A6Visitor from a Curious PlanetSkip

Allies inside Ultimate: Finnegan’s Wake gain 15% DEF.

Is it worth getting?

Skip as a goal unless you are intentionally maxing vertical investment.

A0 Edgar is playable from the base kit. Awakenings add comfort and vertical damage — not a broken incomplete character. First stop: A2. Endgame target: A4.

Alternatives to Edgar

Not sure Edgar is right for you? Compare against other Support Characters.

Adler
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Haniel
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Iroi
IroiAnimaSupport

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Jiuyuan
JiuyuanAnimaSupport

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Sakiri
SakiriIncantationSupport

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