Chaos Zero Nightmare Diana Best Build Guide – Epiphanies, Gears and More

Luna
04/14/2026

The new idol character with the ability to bombard enemies with many bullet cards, Diana makes her debut in Chaos Zero Nightmare with the April Update Patch. In this guide, we will go over the best builds for Diana in Chaos Zero Nightmare so that players can clear all of the game’s end game contents easily.

Get amazing discounted top up deals for Chaos Zero Nightmare and obtain Diana today with the help of Enjoygm!

CHAOS ZERO NIGHTMARE TOP UP AT ENJOYGM
Promotion
Icon
Enjoy up to 35% off on Chaos Zero Nightmare Top-Ups.
Icon
Official Partnership Route but Huge Savings.
Icon
Multiple Payment Ways & Minute Delivery.
Icon
24/7 customer support available.

Diana is a 5-star Character of the Passion Element and Hunter Class. She specializes in generating powerful Bullet and special Quietus cards that can trigger their effects when they are discarded, allowing Diana to deal powerful Extra Attack damage to enemies by discarding cards.

Chaos Zero Nightmare Diana

Diana’s main gameplay revolves around her ability to generate a decent amount of special Bullet Cards with the special Quietus tags, which activates the cards when they are discarded through various means.

Chaos Zero Nightmare Diana

Diana’s damage rotation is relatively easy to do, with players either generating a lot of her special Heart Breaker and Heart Shaker cards, with the cards having both the Quietus and Bullet tags. Once generated these cards can be used as either Bullet Cards or Discarded to deal powerful damage to enemies based on the amount of cards discarded. By using her skill cards, Diana can actively discard her cards, allowing her to trigger the Quietus effects on the cards, activating the cards’ effects and allow Diana to deal additional Extra Attack Damage to enemies based on the amount of cards she discarded.

With such an easy to use skill kit with high damage potential, Diana can be used as a main DPS character for the the Bullet-based team and helps to clear out bosses relatively easily.

Here are an analysis of all of Diana’s cards and their most important Epiphanies:

100% Damage
Disruption FireDiana’s basic attack card that should be removed to optimize her card deck.
Importance: Low
Heal 100%
Protect MeDiana’s basic heal card that should be removed to optimize her card deck.
Importance: Low
[Quietus]
100% Damage.
Create 2 Heart Breaker
With All My Heart!Diana’s main damaging and enabling card as it helps to generate a decent amount of her important Heart Breaker Attack cards.
Importance: Highest
Epiphanies
#1[Quietus]
150% Damage.
Create 3 Heart Breaker
Medium Value Epiphany
#2[Quietus]
150% Damage
Create 1 Heart Breaker
Draw 2 Exhaust Bullet card(s)
High Value Epiphany
#3[Quietus]
150% Damage.
Change all 1-Cost or lower Exhaust cards in hand into Heart Breaker
High Value Epiphany
#4Change Card to Skill Card. Change Cost to 2.
[Quietus]
Create 2 Heart Breaker
Apply Quietus to all Exhaust Bullet cards in hand
High Value Epiphany
#5Change Card to Upgrade Card. Change Cost to 3.
At the start of the turn, create 2 Heart Breaker
If 5 or less Heart Bullets are owned, create 1 more
Best Value Epiphany
Create 2 Heart Shaker.
C’mere、Milk & Pong!Diana’s main enabling card that can both generate powerful Heart Shaker cards and allow her to discard cards.
Importance: Highest
Epiphanies
#1Create 2 Heart Shaker
For the next 3 Extra Attacks by a different Combatant, 1 Resonance to the target
Medium Value Epiphany
#2Discard up to 2 cards in hand
Create Heart Shaker for each Discarded +1
Best Epiphany
#3Decrease Cost to 0
Change 0-Cost Exhaust cards in hand into random Heart Bullets
Medium Value Epiphany
#4Create 1 of each Heart Bullet
1 Resonance to a random enemy for each different Bullet card in hand
Medium Value Epiphany
#5[ Retain ] [ Unique ]
Change Heart Shaker in hand into Heart Breaker
Retain: Create 1 Heart Shaker
High Value Epiphany
[Bullet] [Quietus]
120% Damage.
2 Resonance.
If this card is Discarded, activate Resonance inflicted on the target by this unit 3 more times.
Pistol of PurificationAnother of Diana’s attack cards that can help optimize her overall damage output
Importance: High
Epiphanies
#1[Bullet] [Quietus]
180% Damage
3 Resonance
If this card is Discarded, activate Resonance inflicted on the target by this unit 5 more times.
High Value Epiphany
#2[Bullet] [Quietus]
180% Damage
For the next 5 Haste Attack Card(s) used, 1 Resonance to the target
Medium Value Epiphany
#3[Bullet] [Quietus]
180% Damage
Activate Resonance inflicted on the target by this unit 10 time(s)
High Value Epiphany
#4[Bullet] [Quietus]
180% Damage
+100% Damage Amount for each Bullet card Discarded this turn
Best Epiphany
#5[Bullet] [Quietus]
180% Damage to all enemies
When this card is Discarded, activate Resonance inflicted on all enemies 2 time(s)
Medium Value Epiphany
Draw 1 Quietus card(s).
Discard 2.
Blooming LoveAnother of Diana’s enabler cards that allows her to both generate and discard cards, should be duplicated as many as possible.
Importance: High
Epiphanies
#1Draw 1 Quietus card(s)
Discard 1
If the Discarded card was a card of a different Combatant, create 2 Heart Bullet
High Value Epiphany
#2Draw 1 Quietus card(s)
Discard 2
1 Resonance to all enemies for each combined Cost of the Discarded cards (max 6)
High Value Epiphany
#3Discard up to 3 Bullet card(s) in hand
Draw a Quietus card for each Discarded -1
High Value Epiphany
#4Discard all Bullet cards in hand
80% Extra Attack to a random enemy for each Discarded
Best Epiphany
#5Change Card To Upgrade Card, Change Cost to 3.
[ Quietus ] [ Unique ]
If no Quietus cards of this unit are in hand, Draw 1 Quietus card(s) of this unit (1 time per turn)
Medium Value Epiphany
Draw 2 Exhaust Bullet card(s), 300% Damage, Increase Damage Amount by 30% for each different Bullet card in hand.
Liberated FeelingsAn amazing attack card for Diana that help boost her overall damage output massively.
Importance: High

Diana’s best partner is her signature 5-star partner: 

Sophia 
Passive Effect: Increase the assigned Combatant’s Attack by 16%
When a Passion Quietus card of the assigned Combatant is Discarded, +5% Critical Damage (max 4 stacks).
When 3 Bullet Cards are Discarded, the assigned Combatant performs a 200% Extra Attack on a random enemy (2 times per turn).
Active Skill: 3 Die-hard Fan to the assigned Combatant.
Draw 1
Discard up to 2 cards in hand
Die-hard Fan: +40% Damage Amount to Extra Attacks of the assigned Combatant. At the end of the turn, decrease Die-hard Fan by 1
Reason: Diana’s signature Partner and her best in slot Partner that not only massively boost her overall Bullet damage output but also allow her to deal additional Extra Attack instances to enemies while also massively boosting her Extra Attack damage output.

For F2P options, players should use these as Diana’s Partners:

Akad
Passive Effect: The damage of the combatant’s Bullet cards increases by 10%.
When the combatant lands their first critical hit, Bullet card damage increases by 12% for 1 turn.
Active Skill: For 1 turn, +25% Critical Chance of Designated Combatant’s Attack cards
Reason: The F2P Partner Option for Diana, allowing her to boost her own damage output from her attack cards.
Yuri
Passive Effect: The assigned combatant’s Attack is increased by 8%.
Upon the first shuffle, the assigned combatant’s damage dealt is increased by 8%.
Active Skill: Draw 2
Reason: The Budget Partner option for Diana that should be replaced as soon as you get other Partner options for her.

Get the perfect Partner for Diana with the help of Enjoygm Chaos Zero Nightmare Top Up – The best and safest Top Up Option on the web.

For Equipment build when running Chaos, players should aim for these equipments for Diana to maximize her power:

Intellect of Discord
+18% Attack
On Ravage, decrease Stress of allies by 1
Reason: Grants a massive boost to Diana’s attack stat to help her optimize her damage output
Fairy King’s Crown
+6% Critical Chance
Reason: Grants Diana a boost in Critical Chance and helps to lower her Potential requirement while also boosting her potential damage output.
Dimensional Cube
When discarding a card, +15% Damage for 1 turn (max 3 stacks)
Reason: Grants Diana a massive boost in damage when cards are discarded, optimizing her overall damage output.

For Diana, players should use a mix of 3 different 2 pieces sets to optimize her overall damage output, with the 2 pieces Black Wing set boosting her overall attack stat, the 2 pieces Cursed Corpse Set boosting her damage against enemies under the Agony effect and the 2 pieces Executioner’s Tool set boosting her overall Critical Damage output.

Black Wing
2-pc: +12% Attack
Explanation: This set boost Diana’s much needed attack stat to help optimize her damage output.
Cursed Corpse
2-pc: Increase damage dealt against enemies inflicted with Agony by 10%
Explanation:  Boost Diana’s damage to enemies under the Agony effect. Players will need to enable this set by inflicting Agony to enemies using various effects.
Executioner’s Tool
2-pc: +25% Critical Damage
Explanation: Grants Diana a boost in critical damage and helps her to deal more damage overall.

As a main DPS character, Diana wants the usual offensive stats, with a heavy emphasis on Attack and Critical Stats as her main investment stats.

PieceMain Stats
IdealCrit Rate% 
DesirePassion Damage%
ImaginationAttack%
PrioritySub Stats
1stCritical Chance%
2ndCritical Damage%
3rdAttack
4thAttack%

Important Stat Threshold:

– Players need to get Diana to at least 50% Critical Chance to maximize her last potential and grant herself extra damage bonus.

– Players should invest in boosting Diana’s Attack As High as Possible to optimize her damage output.

As a main DPS who works well with characters whose mechanics revolve around Bullets and Discards, Diana can be slotted into teams that can help facilitate her special Discard mechanic or teams that can make use of her Extra Attack Damage to deal powerful damage to enemies.

DianaLucasNia
Main DPSSub DPS/ SupportSupport/ Sustain

This team makes Diana the team’s main DPS character by utilizing Lucas’ ability to generate constant Bullets for Diana to discard in addition to allowing him to boost the damage output of Bullet cards massively thanks to his powerful upgrade cards. Nia is Diana’s best support and sustain character thanks to her ability to quickly discard cards and cycle the deck, allowing the team to facilitate Diana’s powerful damage output by discarding all of her necessary cards and trigger her Extra damage effects.

DianaRenoaNia
Main DPSSub DPS/ SupportSupport/ Sustain

Despite functioning somewhat similarly to the previous team, this team focuses on sharing the damage load against the enemies between 2 main DPS characters at the same time with both Diana and Renoa being able to bombard enemies with powerful Bullet cards and Extra damage by discarding cards in hands. Thanks to Diana’s power to generate and discard bullet cards, Renoa can facilitate her gameplay by gaming benefits when discarding cards in hand, alternatively, Renoa can help Diana by discarding bullet cards in order to draw more cards into the hand, allowing players to discard all of them at the same time to deal powerful damage. Nia is once again the team’s best support and sustain character with her amazing Discard skill kit and her ability to cycle the deck and deal Extra damage when the deck is cycled.

The powerful DPS character capable of discarding and spamming bullet cards to deal multiple damage instances at the same time, don’t miss out on this amazing character by getting Diana right away with the help of Enjoygm – the best top up site on the web!

Writer
Luna
Content Writer & Salty Gacha Enthusiast
A gacha games enthusiast that dabbles way too much in the gacha gaming field and plays too many gacha games all at once. Excel at challenging, clearing contents and having fun in multiple gacha games at the same time like Honkai: Star Rail, Zenless Zone Zero, Wuthering Waves, Fate/Grand Order, Reverse: 1999 and more. Currently playing over 10 gacha games at once and is considering playing more at the cost of his own sanity. Aims to provide as many informational game guides and articles as possible to help players have a better understanding of the characters and games they play to the best of his abilities.
Previous
Chaos Zero Nightmare April Update Patch – Everything You Need To Know
Next
Wuthering Waves Hiyuki Leaks – Everything You Need To Know