Kayron Build: Best Team Comps & Core Cards

Kayron is a 5-star Psionic from Chaos Zero Nightmare. He uses the Void attribute and belongs to the Wanderer faction. He works as a damage dealer who generates Futility cards to fuel his powerful scaling attacks.

Kayron Overview in Chaos Zero Nightmare

Overview
TypePsionic
AttributeVoid
FactionWanderer
Rarity★★★★★
Voice Actor (KR)Voice Actor (JP)
Shin-ichiro Miki
GenderRaceGiftBirthdate
MaleHumanVoidDecember 31st

Character Stats

StatValue
Attack150 (base) / 444 (level 60)
Defense50 (base) / 169 (level 60)
Health85 (base) / 426 (level 60)
Critical Chance3%
Critical Damage125%

How to Get Kayron

  • Kayron is available through banners in Chaos Zero Nightmare.

Best Team Compositions for Kayron

Recommended Team

RoleCharacter
Main DPS
Kayron
SupportMika CZN
Mika
Sub-DPS
Rei

Kayron needs significant AP support because his cards are expensive. Mika provides AP generation and healing to keep the team running. Rei serves as sub-DPS while buffing Kayron's Void cards.

Alternative Team Members

CharacterExplanation

Cassius
Can replace Rei

Khalipe
Works well with Kayron since his 2+ cost cards trigger her Celestial effects.

Nia
Provides card search and draw to access Kayron's generators and payoffs.
Any ShielderAdding defensive support like Magna or Maribell works as well

Best Kayron Build and Cards

Core Character Cards

Card NameAP CostTypeEffectTags

Echo of Futility
0Attack30% Damage, Create 2 Futility, +30% Damage per Futility created this battle-

Brand of Annihilation
7Attack500% Damage to all enemies
Decrease cost by number of Exhausted Futility
-

Black Hole
2Attack360% Damage
+60% Damage per Exhausted Futility
-

Oath of Vanity
0UpgradeUpon creating Futility, changes to an Attack card with 80% Damage and Healing effect, cost 1Draw
Draw Pile
Initiation

Echoes of True Abyss
2Attack240% Damage, Create 3 Futility, +40% Damage per Futility created-

Essential Team Cards

Card NameAP CostTypeEffect

Source of Water (Mika)
1SkillHeal 150%, +2 AP, on Recover cost -1 for 1 turn

Blessing of Waves (Mika)
1SkillHeal 150%, +30% Healing per AP, Shield equal to overflow healing

Tactical Analysis (Mika)
0Skill1 Wave, +50% Healing for 1 turn

Deluge (Mika)
1Upgrade1 Wave, at start of turn: gain 1 Wave
Cards in Chaos Zero Nightmare
Strike of Darkness (Rei)
0SkillActivate all Basic cards in hand

Resonating Darkness (Rei)
1Upgrade+40% Void card Damage

Snack Time (Rei)
0SkillExhaust 2 cards in hand, Draw 1 Void card

Dark Condensation (Rei)
1SkillSelect 1 Attack card, +100% Damage until used

Predator's Blade (Rei)
1Attack250% Damage, 2 Morale for 1 turn

Best Partner

Recommended Partner Choice

AspectDetails
Partner Name
Bria
Passive EffectWhen assigned combatant generates a card, attack card damage +10% for 1 turn (stacks 3x). When assigned combatant generates status ailment card first time, +25% attack card damage for 1 turn.
Ego SkillExhaust all Status Ailment and Curse cards from Discard Pile, +10% attack card damage per card exhausted for 1 turn

Bria is Kayron's signature partner designed specifically for his kit. Her passive grants damage buffs whenever Kayron generates cards, and the first Futility each battle provides a massive +25% boost. Her Ego Skill is the game-changer - it exhausts all Futility from the discard pile and grants damage buffs based on the count. This lets you generate tons of Futility early, then use Bria's skill to exhaust them all at once for huge damage bonuses without spending AP on individual Futility cards.

Alternative Partners

PartnerPassive EffectEgo Skill

Eloise
The combatant's attack card damage increases by 10%.
When the combatant first Exhausts a card or first gains a Status Ailment card, their attack card damage increases by 12% for 1 turn.
When card Exhausted, 1 Weaken to random enemy

Zatera
The assigned combatant's Attack is increased by 8%.
When injured , at the end of battle, recover 4% Health.
Gain 200% Shield.

Anteia
Assigned combatant's attack card damage +8%. When combatant generates card, attack card damage +8% for 1 turn.180% Damage, Apply 1 Vulnerable.

Best Memory Fragments for Kayron

Set Combination

SetStats Priority
4-piece: Offering of the Void SetCritical Chance, Critical Damage, Attack%
2-piece: Executioner's Tool SetCritical Chance, Critical Damage, Attack%

The Offering of the Void set increases Void card damage and triggers whenever you exhaust a card, which Kayron does constantly. The 4-piece provides +20% damage on Void cards after exhausting, and Futility counts as Void. Executioner's Tool gives +25% Critical Damage.

For main stats, prioritize Critical Chance or Critical Damage on your Ideal slot, Void Damage% on your Desire slot, and Attack% on your Imagination slot. Your substats should focus on Critical Chance%, Critical Damage%, Attack, and Attack%.

Best Equipment for Kayron in CZN

Equipment SlotRecommended Item
WeaponVoid of the Devourer
ArmorRegenerative Ribcage
AccessoryEmblem of an Exceptional Entity

Kayron Cards in Chaos Zero Nightmare

Basic Starting Cards

Card NameAP CostTypeEffectTags

Elimination
1Attack100% Damage-

Sphere
1SkillHeal 100%Heal

Unique Cards

Card NameAP CostTypeEffectTags

Echoes of True Abyss
2Attack240% Damage, Create 3 Futility, +40% Damage per Futility-

Cards with Epiphanies

Card NameEpiphany 1Epiphany 2Epiphany 3Epiphany 4Epiphany 5

Echo of Futility
360% Damage, Create 3 Futility240% Damage, Create 2 Futility, +20% Damage per Exhausted Futility240% Damage, Create 2 Futility with Ephemeral50% Damage, +150% per X AP, Create X+1 Futility (X cost)30% Damage, Create 2 Futility, +30% Damage per Futility created this battle (0 cost)

Brand of Annihilation
450% Damage to all, on Exhaust: Cost -1 for 1 turn (3 cost)300% x2 Damage to random enemy, on Exhaust: Cost -1 for 1 turn (3 cost)500% Damage to all, Cost reduced by Exhausted Futility count (7 cost)200% Damage to all, +40% per card Exhausted this turn (1 cost)300% Damage to all, if any card Exhausted: 3 Agony to all (2 cost)

Black Hole
360% Damage, Activate 2 Futility from hand (2 cost)360% Damage, +60% per Exhausted Futility (2 cost)60% Damage to random enemy, +1 hit per Exhausted Futility (max 5) (2 cost)300% Damage, +1 hit per 5 Exhausted Futility (max 2) (2 cost)When Futility Exhausted: 100% Fixed Damage to random enemy (1 cost, Upgrade)

Oath of Vanity
When creating Futility: change to Attack with 120% Damage and Healing, Cost 1When creating Futility: change to Attack with 80% Damage and Healing, Cost 1 (0 cost, Initiation)When Futility created: change to Attack with 180% Damage, Cost 1Exhaust all Futility/Status/Curse in hand, Draw per amount (0 cost, Skill, Retain)When 3 Futility Exhausted: 2 Agony to all (0 cost, Upgrade)

Generated Cards

Card NameAP CostTypeEffectTags

Futility
1StatusNo effectExhaust

Futility (Attack)
1Attack80% Damage, Heal 80%Exhaust, Heal

Ego Skill

AspectDetails
Skill Name
Rift of Nothingness
Effect200% Damage to all enemies, Exhaust all Futility in hand, +80% Damage per Futility
EP Cost5

Rift of Nothingness deals AoE damage and exhausts all Futility in your hand, dealing +80% damage per card exhausted.

Potential Upgrades

#Upgrade NameEffectCost
1Epiphany BonusUpon entering Chaos, obtain 1 random Rare card through Epiphany8x Common Growth Stone of Void, 10,000 Units
2Upgrade Basic CardsBasic Card damage, shield gain, and healing amount +2% per level (max 20%)4x Common Growth Stone of Void, 3,000 Units
3Upgrade Neutral CardsNeutral Card damage, shield gain, and healing amount +2% per level (max 20%)5x Great Growth Stone of Void, 16,000 Units
3-1Basic Card ProficiencyElimination and Sphere damage/healing +50%, gain effect to create 1 Futility16x Great Growth Stone of Void, 24,000 Units
4Upgrade Unique CardsUnique Card damage, shield gain, and healing amount +2% per level (max 20%)8x Great Growth Stone of Void, 20,000 Units
5Critical Chance Proficiency+2% Critical Chance per level (max 10%)16x Premium Growth Stone of Void, 28,000 Units
5-1Basic Card Proficiency+5% Elimination Damage. If Attack > 500, additional +5%16x Premium Growth Stone of Void, 2x Shards of Condemnation, 60,000 Units
6Critical Damage Proficiency+2.4% Critical Damage per level (max 12%)120x Premium Growth Stone of Void, 42,000 Units
7Upgrade Unique StatsIf Attack > 600, +5% Critical Damage. For every 40 Attack over 600, +1% (up to +12% total)36x Premium Growth Stone of Void, 2x Shards of Condemnation, 80,000 Units

The most important potential is 3-1, which makes Kayron's basic cards generate Futility automatically. This jump-starts his engine significantly. The 5-1 and 7 potentials provide strong damage boosts once you reach the Attack thresholds, which is achievable with good gear and Memory Fragments.

Manifest Ego

StageManifest EgoEffect
1Sleeping MemoryWhen using Echoes of True Abyss, additionally create 2 Futility (5 total instead of 3)
2Awakening MemoryFor every 2 Futility used, deal 100% damage to all enemies
3Vivid MemoryRift of Nothingness also exhausts Futility from Graveyard
4Inner MemoryWhen Futility used, gain Paradox of Nothingness. Paradox: +10% attack card damage for 1 turn (max 3 stacks)
5Complete MemoryIncrease the level of Potential by +3 for [Upgrade Basic Cards], [Upgrade Neutral Cards], [Upgrade Unique Cards]
6Liberated MemoryWhen Futility generated, 50% chance to apply Vulnerable, Weaken, or Injured (1 stack) to random enemy

The most impactful Manifest Ego stages are E1, E2, and E3. E1 makes Echoes of True Abyss generate 5 Futility instead of 3, dramatically increasing generation. E2 provides free 100% AoE damage every 2 Futility used, adding significant extra damage. E3 lets your Ego Skill exhaust Futility from discard, synergizing perfectly with Bria's partner skill. E4 and E6 add further damage scaling and debuff application.

How to Play Kayron in Chaos Zero Nightmare

Kayron's entire strategy centers around Futility cards and understanding how they function. At base, Futility is a 1 AP Status Ailment card that does nothing when played except exhaust itself. This makes them dead draws that clog your hand and waste AP. However, Kayron's power comes from two things: upgrading Futility into useful cards through Oath of Vanity, and exhausting large numbers of them to empower his other cards.

The first priority in any Kayron run is finding Oath of Vanity and getting the right Epiphany. Oath of Vanity transforms Futility from useless status cards into Attack cards that deal damage and heal. The best Epiphany makes Oath of Vanity cost 0 AP with the Initiation tag, guaranteeing you can activate it at battle start. This single upgrade makes Kayron functional - without it, you're stuck with cards that waste resources.

Once you have Oath of Vanity active, Futility becomes useful but still costs 1 AP each. Your gameplan is generating many Futility cards, then exhausting them efficiently. Kayron has several generator cards: Echo of Futility creates 2 Futility, Echoes of True Abyss creates 3 (5 with E1), and your basic Elimination card creates 1 after unlocking the 3-1 potential. Generate as many as possible early.

Black Hole is Kayron's primary scaling card and has multiple build paths. The most common Epiphany for scaling builds is Epiphany 2, which deals 360% damage +60% per Exhausted Futility this battle. The alternative is Epiphany 5, which turns Black Hole into an Upgrade that triggers automatically - every time you exhaust a Futility, it deals 100% fixed damage to a random enemy. This creates satisfying multi-hit combos but lacks the single-target burst of the scaling version.

Brand of Annihilation serves as your AoE option and also has multiple viable Epiphanies. Epiphany 3 changes it to a 7 AP card dealing 500% AoE damage, but its cost decreases by 1 for every Futility you've exhausted this battle. Once you've exhausted 7+ Futility, this becomes a free 500% AoE nuke. Epiphany 1 keeps it at 3 AP with 450% damage, reducing cost by 1 each time you exhaust any card during the turn. Both versions work - the 7-cost version scales better in long fights, while the 3-cost version activates faster.

Echo of Futility has two standout Epiphanies for different playstyles. Epiphany 5 makes it cost 0 AP, deal 30% damage, create 2 Futility, and gain +30% permanent damage for every Futility created this battle. This scales infinitely but slowly - you need 10-15 Futility generated to match other options' base damage. However, at 0 cost, you can spam it freely. Epiphany 4 makes it X-cost, dealing 50% +150% per X AP spent, creating X+1 Futility.

Kayron's weakness is his slow start. In short fights, you don't have time to generate and exhaust enough Futility for Black Hole to outperform simpler DPS. His cards cost too much AP for quick burst. However, in extended fights - Kayron becomes unstoppable.

The core of playing Kayron well is resource management. Track how many Futility you've exhausted total (for Black Hole), manage hand space to avoid losing Futility generation, time Bria's Ego Skill for maximum impact, and sequence your buffs correctly. Rei's buffs before damage cards, Oath of Vanity before generating Futility, exhaust everything before Black Hole. Get these sequences right and Kayron becomes one of the most satisfying characters in the game, turning small status ailment cards into overwhelming destructive power.

Theo
Theo

Theo is a gamer who's played just about every genre. Sometimes he'll jump into Fortnite, but League is his comfort game! Right now, he's grinding Marvel Rivals and mains Venom. He's also into writing, so he combines both passions to create guides for different games.

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