Triple 0 Shadow Daggers Setup
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Chaos Zero Nightmare (CZN)
Tressa Best Team and Build
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This is a guide for the best teams and loadout for Tressa in Chaos Zero Nightmare (CZN). Learn which combatants are best to pair with Tressa, as well as recommended cards, partners, and equipment.
| Tressa Guides | |
|---|---|
| Team and Build | Cards and Materials |
List of Contents
Best Tressa Build
Build Overview
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 Summary |
 Best Team |
 Best Cards |
 Best Partner |
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 Memory Fragment |
 Equipment |
 Playstyle |
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| Party List | ||
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 Tressa
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 Cassius
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 Mika
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 High single-target damage through agony stacks Can generate a lot of 0-cost shadow daggers Only requires 1 character from the gacha  Requires specific card epiphanies to work |
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Tressa can do two things well, inflict a lot of agony stacks and generate tons of 0-cost shadow daggers that can be used to synergize with a lot of characters such as Hugo with his follow-up attacks, Cassius and his Triple-0 quest and Rei with her damage buffs to cards. Mika will provide the healing and help Tressa generate more daggers.
Build Changelog
| Date | Changes |
|---|---|
| 11-27-2025 | ・Changed Tressa's best team from Rei to Cassius
・Revised Tressa's best team layout ・Changed Tressa's best cards ・Added Cassius in essential team cards ・Changed Tressa's best equipment to reflect the new ones from Laboratory 0 ・Added more details in Tressa's build tips and playstyle |
| 11-19-2025 | ・Added Tressa build overview
・Revised Tressa build page layout |
Tressa Best Team
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| Summary |
Best Team |
Best Cards |
Best Partner |
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| Memory Fragment |
Equipment |
Playstyle |
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| Teammate | Partner | Equipment |
|---|---|---|
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Mika
Heal and AP Recovery |
 Alyssa
|
Nature's Hostility Nature's Hostility When an enemy is defeated, 200% Fixed Damage to all enemies
Fragment of the Empty Void Fragment of the Empty Void At the start of battle, Discard up to 3 cards, Draw equal to the number 
Superconductive Protein Superconductive Protein At the start of the battle, change the cost of 1 card in your hand to 0 for 1 turn |
|
Cassius
Triple 0 Card Cycling, Morale Buffs |
 Nyx
|
Unexploded Plasma Bomb Unexploded Plasma Bomb When a card is Exhausted, 40% Fixed Damage on a random enemy
Regenerative Ribcage Regenerative Ribcage Max HP +12
Revelation's of Futility Revelation's of Futility When using Attack Cards, +20% Fixed Shield (10 per turn) |
Mika has plenty of healing cards that can help generate Tressa's Shadow Daggers after she uses her upgraded Shadow Reload card. It's best to do a Chaos run for her so you can include more of her unique healing cards.
Cassius can do the work of Rei where he can provide high amounts of Morale buff after quest completion, able to heal using Triple 1's, cycle through your deck with his Full House, Devil Dice or Shuffle and inflict a ton of scaling damage with Triple 0's that also helps stack Agony when Curse is online.
Alternative Team Members
| Character | Explanation |
|---|---|
 Rei
|
Can replace Cassius/Mika as a Sub-DPS/Support so that Tressa's Shadow Daggers can deal a lot of damage alongside her Vital Attack card. |
 Nia
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Can replace Cassius as a Support thanks to her having more heal cards in her kit and her Decibel mechanic for more damage each time a shuffle occurs. |
 Hugo
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Hugo can replace Cassius as a Sub-DPS for extra damage from his Commence the Hunt mechanic each time Tressa uses her Shadow Daggers. |
Tressa Best Cards
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| Summary |
Best Team |
Best Cards |
Best Partner |
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| Memory Fragment |
Equipment |
Playstyle |
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| Card | Explanation |
|---|---|
 Unsheathe Dagger
|
AP Cost: 0
Type:
 Skill
・Create 2 Shadow Dagger |
 Curse
Duplicate |
AP Cost: 0
Type:
Skill
・For 2 turns, when using Attack Cards, 1 Agony |
 Shadow Reload
Duplicate |
AP Cost: 1
Type:
 Upgrade
Tags: Initiation ・When Healed by a Skill Card, create 1 Shadow Dagger |
 Vital Attack
|
AP Cost: 2
Type:
 Attack
・150% x 3 Damage ・+10% Damage per target's Agony |
 Cursed Gouge
|
AP Cost: 1
Type:
Skill
・2 Agony Imprint ・2 Weakness |
The most important card to get is Shadow Reload with the Epiphany upgrade, which changes its effect to create a Shadow Dagger whenever someone uses a skill card with heals. You should also aim to duplicate this card during your Chaos runs, allowing you to generate more than one Shadow Dagger per healing card used.
Unsheathe Dagger is a strong addition, especially after upgrading it through Epiphany, which lowers the cost to 0. The epiphany that increases the number of Shadow Daggers created from two to three upon use is also an alternative option. Tressa’s Curse card is also useful, as it increases Agony stacks when any attack cards are used on enemies, amplifying the Agony damage they take.
Essential Team Cards and Epiphanies
| Card | Explanation |
|---|---|
 Source of Water
Duplicate |
AP Cost: 0
Type:
Skill
・Heal 150% ・1 AP ・1 Wave |
 Blessing of Waves
|
AP Cost: 1
Type:
Skill
Tags: Retain ・Heal 150% ・+30% Healing equal to number of AP ・Shield equal to Healing amount exceeding max |
 Tactical Analysis
|
AP Cost: 0
Type:
Skill
Tags: Retain ・Heal 50% ・1 Wave ・For 2 turns, +50% Heal |
 Pop Eyed Popper
|
AP Cost: 0
Type:
Upgrade
・From 4 Quests, choose 1 to begin |
 Devil Dice
Duplicate |
AP Cost: 0
Type:
Attack
・Draw 1 ・80% Damage to all enemies equal to that card's cost |
 Shuffle
|
AP Cost: 0
Type:
Skill
Tags: Exhaust ・Select up to 5 cards from Discard to place on top of Draw Pile |
 Dice Trick
Duplicate |
AP Cost: 2
Type:
Upgrade
・On Quest completion, create 1 Quest Card(s) |
 Quest: Triple 0
|
AP Cost: 0
Type:
Upgrade
・When using 3 cards with cost 0, create Triple 0 |
Most of the Epiphany cards you’ll want to prioritize come from Mika, as many of her unique skills also provide healing. Blessing of Waves, which generates a shield, is a must-have since you’ll likely reach the enemy’s attack phase due to the number of Shadow Daggers you’ll be using. Source of Water, which also provides a stack of wave, is another essential pick as it can also contribute to her giving your party more AP.
Cassius must get the epiphanies for Pop Eyed Popper that lets you choose what quest it is and Dice Trick that creates a random quest card after quest completion otherwise the build will not work.
Tressa Best Partner
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|---|---|---|---|---|---|---|---|---|---|---|---|
| Summary |
Best Team |
Best Cards |
Best Partner |
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| Memory Fragment |
Equipment |
Playstyle |
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| Partner | Details |
|---|---|
 Bria
|
Passive Effect: Capable Secretary - When the assigned combatant generates a card, attack card damage is increased by 10% for 1 turn. Stacks up to 3 times. When the assigned combatant generates a Status ailment card for first time, +25% attack card damage for 1 turn Ego Skill: Check the Instructions - From the Discard Pile, Exhaust all Status Ailment (including cards changed from Status Ailment) and Curse cards. For each card Exhausted, +10% Designated Combatants' Attack card Damage for 1 turn |
Bria's passive effect increases Tressa's attack card damage by 10% whenever a card is generated (Shadow Dagger) by up to 30%! If you consistently generate Shadow Daggers, you'll maintain the full +30% attack card damage bonus each turn.
Alternative Budget Partner
| Partner | Explanation |
|---|---|
 Eloise
|
Eloise straight up grants a +10% attack card damage bonus. When Tressa uses a Shadow Dagger, her subsequent Shadow Daggers gain a 12% attack card damage increase for one turn. |
Tressa Best Memory Fragments
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|---|---|---|---|---|---|---|---|---|---|---|---|
| Summary |
Best Team |
Best Cards |
Best Partner |
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| Memory Fragment |
Equipment |
Playstyle |
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 Offering of the Void Set Offering of the Void Set When a card is Exhausted, increase Damage Amount of Void Cards by 20% for 1 turn |
 Cursed Corpse Set Cursed Corpse Set Increases damage dealt to targets inflicted with Agony by 10%. |
The Offering of the Void set bonus grants a +15% Void card damage increase whenever one of Tressa’s Shadow Daggers is used. The Cursed Corpse set bonus boosts her damage by an additional 10% against enemies afflicted with Agony, whether applied through her Shadow Daggers or any of her other skills that inflict it.
Stat Priority
| Main Stats | Recommended Substats |
|---|---|
|
Ideal: Critical Chance% Desire: Void Damage% Imagination: Attack |
・Damage Over Time (at least 30%) ・Critical Chance % ・Critical Damage % ・Attack |
For both main stats and substats, aim for Void Damage, Critical Chance, Critical Damage, and Attack. Void damage is a direct multiplier, and you'll want to prioritize Damage Over Time as much as possible to increase her Agony damage as this is her main source of DPS.
Tressa Best Equipment
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|---|---|---|---|---|---|---|---|---|---|---|---|
| Summary |
Best Team |
Best Cards |
Best Partner |
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| Memory Fragment |
Equipment |
Playstyle |
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| Weapon | Armor | Accessory |
|---|---|---|
 Foggy Crystal Ball Foggy Crystal Ball +40% Damage for Attack cards with Cost 0 |
Wings of Freedom Wings of Freedom When hit, +10% Damage Amount (Max 3 stacks) |
 Emblem of an Exceptional Entity Emblem of an Exceptional Entity +30% Damage Amount^ Stress received becomes 0 (1 for each battle) |
The Foggy Crystal Ball increases Tressa's 0-cost Shadow Daggers damage by 40% when equipped. Due to the nature of Tressa's deck, her enemies will almost always act first before her therefore, Wings of Freedom is the best armor choice so she can capitalize on her getting hit and buffing her damage as a result.
Emblem of an Exceptional Entity is generally a great trinket but requires a specific unidentified area in Laboratory 0 to get it. You can instead use Amorphous Cube as an alternative.
Tressa Build Tips and Playstyle
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|---|---|---|---|---|---|---|---|---|---|---|---|
| Summary |
Best Team |
Best Cards |
Best Partner |
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| Memory Fragment |
Equipment |
Playstyle |
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Triple 0 Shadow Daggers Setup
The one-turn kill video above revolves around Tressa’s Shadow Reload and the Triple 0 quest, which generates Shadow Daggers each time a healing skill card is used and Triple 0 after 3 0-cost cards were used. The ideal card rotation is as follows:
- Start with Pop Eyed Popper (Triple 0) and Dice Trick
- Activate Shadow Reload cards
- Use skill cards with healing to generate Shadow Daggers
- (Optional) Play both Curse and Cursed Gouge at the same time for more Agony stacks
- Use all Shadow Dagger and Triple 0 cards on the target
Do take note that Tressa's Shadow Reload does not activate from passive healing effects such as equipments or attack cards with healing effects but your partners’ Ego Skills that heal the team can also generate Shadow Daggers, making them a more efficient use of Ego Points compared to using Tressa’s own Ego Skill for just two Shadow Daggers.
Use Vital Attack After Inflicting Tons of Agony
After inflicting a lot of Agony to a target, use Vital Attack specifically the epiphany that increases the damage of that card by 10% per Agony since it can stack infinitely. This will deal a ton of damage to a single target.
Chaos Zero Nightmare (CZN) Related Guides
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Tressa
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Author
Tressa Best Team and Build
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Quick heads up, if the healing is triggered by an attack card like Mika's Whirlpool (the 2-cost card that hits all enemies and heals), it will NOT trigger Tressa's Shadow Reload, so no Shadow Daggers will be created. The epiphany that places the healing effect first in its text will also fail to generate any Shadow Daggers. Shadow Reload specifically wants skills (+ ego heals). It somehow ended up being more specific and more lenient than I thought.