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This is a guide for Rei, a 4 star combatant in Chaos Zero Nightmare (CZN). See Rei's overview, cards, Potential, Manifest Ego, and learn how to play Rei!
| Rei Guides | |
|---|---|
| Team and Build | Cards and Materials |
Rei |
Tier |
|
|---|---|---|
| Type |
|
|
| Faction |
|
|
| Rarity | ★★★★ | |
| Attribute |
|
| Attack | 129 |
|---|---|
| Defense | 56 |
| Health | 74 |
| Critical Chance | 3% |
| Critical Damage | 125% |
The stats displayed represent the character's base level
| Gender | Female | |
|---|---|---|
| Faction | Terrascion | |
| Race | Human | |
| Birthday | April 5th | |
| Gift | Dark Material | |
| Voice Actors |
JP: Kaede Hondo
|
|
| Description | ||
| A cheerful young agent. She is an enthusiastic and kind character with the ambition to protect everyone by her own strength. She is an enthusiastic and kind character with the ambition to protect everyone by her own strength. She is a Terrascion agent and also a student aboard the SS Edenity. She often makes quirky remarks or behaves in eccentric ways. She is a fan of a eccentric character brand called 'Coco'. | ||
Dark Blade
|
AP Cost: 1
Type:
Effect: 100% Damage
Tags: N/A |
|---|---|
Material Regeneration
|
AP Cost: 1
Type:
Effect: Heal 100%
Tags: ・ Heal Heal Recover Health based on Defense Recover a random combatant's Stress by 1-6 depending on the Healing Amount |
Strike of Darkness
|
AP Cost: 1
Type:
Effect: 100% Damage For 1 turn(s), +100% Basic attack card Damage Tags: ・ Lead Lead At the start of the turn, 50% chance to reduce this card's cost by 1. Effect removed when another card is used. |
|---|---|
Resonating Darkness
|
AP Cost: 1
Type:
Effect: +40% Damage of cards with cost 1
Tags: ・ Unique Unique Cannot hold more than 1 card with Unique |
Snack Time
|
AP Cost: 0
Type:
Effect: Select 1 card(s) from hand to Exhaust Heal 200% Draw 1 Tags: ・ Draw Draw Move a card from the Draw Pile to hand ・ Draw Pile Draw Pile The pile from which cards are Drawn ・ Exhaust Exhaust When used, this card moves to the Exhaust pile ・ Heal Heal Recover Health based on Defense Recover a random combatant's Stress by 1-6 depending on the Healing Amount |
Dark Condensation
|
AP Cost: 1
Type:
Effect: Choose 1 Attack Card(s) in hand, +100% Damage for 1 turn
Tags: N/A |
Predator's Blade
|
AP Cost: 1
Type:
Effect: 250% Damage For 1 turn 2 Morale Tags: ・ Morale Morale +20% Damage per Morale |
| I | II | ||||
|---|---|---|---|---|---|
|
AP Cost: 1
Type:
Tags: Lead
・150% Damage ・For 1 turn(s), +150% Basic attack card damage |
AP Cost: 1
Type:
・350% Damage ・For 1 turn, -20% Damage |
||||
| III | IV | V | |||
|
AP Cost: 1
Type:
Tags: Lead
・150% Damage ・Exhaust all Basic cards, +1 extra hit for each |
AP Cost: 1
Type:
Tags: Unique
・+80% Basic attack card Damage |
AP Cost: 0
Type:
Tags: Retain
・Activate all Basic cards in hand |
|||
| I | II | ||||
|---|---|---|---|---|---|
|
AP Cost: 1
Type:
Tags: Unique
・+60% Damage of cards with cost 1 |
AP Cost: 1
Type:
Tags: Unique
・+40% Damage for Void Card |
||||
| III | IV | V | |||
|
AP Cost: 1
Type:
Tags: Unique
・+40% Shield Gain, Damage, and Healing of cards with cost 1 |
AP Cost: 1
Type:
Tags: Unique
・+40% Damage of cards with cost 1 or below |
AP Cost: 0
Type:
・For 1 turn, +80% Damage to cards with cost 1 |
|||
| I | II | ||||
|---|---|---|---|---|---|
|
AP Cost: 0
Type:
Tags: Exhaust 2
・Select 1 card(s) from your hand to Exhaust ・Heal 200% ・Draw 1 |
AP Cost: 0
Type:
Tags: Retain, Exhaust
・Heal 200% ・Draw 2 |
||||
| III | IV | V | |||
|
AP Cost: 0
Type:
Tags: Exhaust
・Heal 150% ・Select up to 2 card(s) from hand to Exhaust, then Draw that many |
AP Cost: 0
Type:
Tags: Exhaust
・Heal 150% ・ From Draw Pile, select up to 1 card(s) to Exhaust, then Draw the same number of cards. |
AP Cost: 0
Type:
Tags: Exhaust
・Heal 150% ・ Select 2 card(s) in hand to Exhaust ・Select 1 Void card(s) to Draw |
|||
| I | II | ||||
|---|---|---|---|---|---|
|
AP Cost: 1
Type:
・Choose 1 Attack Card(s) in hand, +150% Damage for 1 turn |
AP Cost: 1
Type:
・Choose 1 card(s) in hand, +100% its Damage, Shield gain, and Healing for 1 turn |
||||
| III | IV | V | |||
|
AP Cost: 1
Type:
・For 1 turn, +50% Damage to Void attack cards |
AP Cost: 1
Type:
・Select 1 Attack card(s), +100% Damage until used |
AP Cost: 1
Type:
・Choose 1 Attack Card(s) from hand, +50% Damage |
|||
| Ego Skill | Effects | EP Cost |
|---|---|---|
Final Shadow
|
300% Damage 1 AP |
4 |
| # | Upgrade | Effect | Cost |
|---|---|---|---|
| 1 | Epiphany Bonus | Upon entering Chaos, you obtain 1 random Rare card through Epiphany. | ・8x Common Growth Stone of the Void ・10000 Units |
| 2 | Upgrade Basic Cards | Basic Card damage, shield gain, and healing amount +2% | ・4x Common Growth Stone of the Void ・3000 Units |
| 3 | Upgrade Neutral Cards | Neutral Card damage, shield gain, and healing amount +2% | ・5x Great Growth Stone of the Void ・16000 Units |
| 3-1 | Basic Card Proficiency | Add a 20% DMG-Based Recovery effect to Dark Blade Card. | ・16x Great Growth Stone of the Void ・24000 Units |
| 4 | Upgrade Unique Cards | Unique Card damage, shield gain, and healing amount +2% | ・8x Great Growth Stone of the Void ・20000 Units |
| 5 | Health Proficiency | Stamina increases by 1.6% | ・16x Premium Growth Stone of the Void ・28000 Units |
| 5-1 | Basic Card Proficiency | +5% Damage for Rei's Dark Blade. If Rei's Attack is greater than 500, an additional +5% to that value | ・16x Premium Growth Stone of the Void ・2x Shards of Condemnation ・60000 Units |
| 6 | Attack Proficiency | Increase Attack by 1.6% | ・120x Premium Growth Stone of the Void ・42000 Units |
| 7 | Upgrade Unique Stats | If Rei's Attack is greater than 550, +10% Predator's Blade Damage. For every 10 Attack exceeding that value, an additional +1% (up to an additional +20%) | ・36x Premium Growth Stone of the Void ・2x Shards of Condemnation ・80000 Units |
| # | Manifest Ego | Effect |
|---|---|---|
| 1 | Sleeping Memory | The Predator's Blade card increases Morale by 2 for 1 turn |
| 2 | Awakening Memory | Whe Rei uses a Attack Card, heal for 120%. This effect triggers only once per turn. |
| 3 | Vivid Memory | Increase the level of Potential by +3 for [Upgrade Basic Cards], [Upgrade Neutral Cards], [Upgrade Unique Cards] |
| 4 | Inner Memory | +100% Damage for Final Shadow |
| 5 | Complete Memory | Increase the level of Potential by +3 for [Upgrade Basic Cards], [Upgrade Neutral Cards], [Upgrade Unique Cards] |
| 6 | Liberated Memory | Allies' attack card damage is increased by +20%. |
Each Manifest Ego will require one Memory Code - Rei and the Ego Manifestation from the previous stage.
|
|

The primary use of Rei's kit involves buffing Attack cards with more damage to clear waves and Bosses faster. Strike of Darkness enables 100% more Basic Attack card damage for a turn, while Dark Condensation will select an Attack card of your choosing to buff it with 100% more damage for a turn as well.
Predator's Blade allows Rei to grant the team the Morale buff, which provides 20% increased Attack for each stack. This can be useful for every DPS characters to further maximize their damage output if needed.
As a support damage buffer, make sure you focus on buffing your main DPS Attack cards so you can maximize the damage output of your team composition.

Snack Time is one of Rei's best cards as it triggers 3 effects for 0 AP cost. This allows her to Exhaust specific cards for better draw chances to target draw high-value cards, provide 100% Heals, and draw 1 card to further enable your actions within the turn.
Since Rei has a few cards that can also deal good damage, she can also be viable as a sub-DPS for Void teams that want to capitalize on attribute weaknesses. Her Predator's Blade let's her deal 250% damage while also providing Morale, while Strike of Darkness also deals 100% damage and buffs your Basic Attack damage all for a measly 1 AP cost for each card.
With most of her cards being only 1 AP Cost, Resonating Darkness provides a 40% damage increase for any 1 AP cost cards which can prove effective for both Rei herself and any teammate that has the same AP cost cards.

| By Rarity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ★★★★★ 5-Star |
★★★★ 4-Star |
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| By Gender | |||||||||||
| Female Combatants | Male Combatants | ||||||||||
| By Faction | |||||||||||
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| By Class | |||||||||||
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