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.
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Diana Skill Kit & Playstyle Analysis
General Introduction
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.

Diana Playstyle Analysis
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.

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.
Diana Best Cards And Epiphany Priority
Here are an analysis of all of Diana’s cards and their most important Epiphanies:
![]() | 100% Damage |
| Disruption Fire | Diana’s basic attack card that should be removed to optimize her card deck. |
| Importance: Low |
![]() | Heal 100% |
| Protect Me | Diana’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 | |||
| #4 | Change 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 | |||
| #5 | Change 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 | ||||
| #1 | Create 2 Heart Shaker For the next 3 Extra Attacks by a different Combatant, 1 Resonance to the target | Medium Value Epiphany | ||
| #2 | Discard up to 2 cards in hand Create Heart Shaker for each Discarded +1 | Best Epiphany | ||
| #3 | Decrease Cost to 0 Change 0-Cost Exhaust cards in hand into random Heart Bullets | Medium Value Epiphany | ||
| #4 | Create 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 Purification | Another 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 Love | Another of Diana’s enabler cards that allows her to both generate and discard cards, should be duplicated as many as possible. | |||
| Importance: High | ||||
| Epiphanies | ||||
| #1 | Draw 1 Quietus card(s) Discard 1 If the Discarded card was a card of a different Combatant, create 2 Heart Bullet | High Value Epiphany | ||
| #2 | Draw 1 Quietus card(s) Discard 2 1 Resonance to all enemies for each combined Cost of the Discarded cards (max 6) | High Value Epiphany | ||
| #3 | Discard up to 3 Bullet card(s) in hand Draw a Quietus card for each Discarded -1 | High Value Epiphany | ||
| #4 | Discard all Bullet cards in hand 80% Extra Attack to a random enemy for each Discarded | Best Epiphany | ||
| #5 | Change 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 Feelings | An amazing attack card for Diana that help boost her overall damage output massively. |
| Importance: High | |
Diana Best In Slot And F2P Partners
Diana Best Partners
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. | |
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Diana Best Equipment & Refinement
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. | |
Diana Best Memory Fragments Sets & Stats
Diana Best Memory Fragments Set
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. | |
Diana Best Main Stats & Sub Stats
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.
| Piece | Main Stats |
| Ideal | Crit Rate% |
| Desire | Passion Damage% |
| Imagination | Attack% |
| Priority | Sub Stats |
| 1st | Critical Chance% |
| 2nd | Critical Damage% |
| 3rd | Attack |
| 4th | Attack% |
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.
Diana Best Teams
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.
![]() | ![]() | ![]() |
| Diana | Lucas | Nia |
| Main DPS | Sub DPS/ Support | Support/ 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.
![]() | ![]() | ![]() |
| Diana | Renoa | Nia |
| Main DPS | Sub DPS/ Support | Support/ 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.
Conclusion
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!























