|Signature Detail='''Signature Move — {{b|120 Energy + Tap Signature + Quickly ping Blue Orb + Quickly tap Basic Attack}}'''<br>Casts an {{o|Enhanced Duskglow Realm}} on the target's location and enters Quick Attack mode. Spends all Signal Orbs and Shadow Prism Energy to get unlimited Blue Orbs and extreme attack speed for 3s. When Quick Attack mode ends, the realm explodes to deal Dark DMG and empty No. 21: XXI's Energy, Blue Orbs and buffs. Creating Twilight Matrices during the Signature Move will increase the explosion's Extra DMG Bonus. <br>Co-Bot: It will not perform other skills while the Signature Move is being cast. When Quick Attack mode ends, it releases a Force Wave to detonate all Twilight Matrices. <br>- During Signature Move, every Basic Attack deals {{o|20%}} Dark DMG. <br>- The realm explosion deals {{o|600%}} Dark DMG. <br>- While casting the Signature Move, creating {{o|1 / 2 / 3 / 4 / 5}} Twilight Matrices will increase the explosion's Extra DMG Bonus by {{o|40 / 80 / 120 / 160 / 200%}}. <br>- When there are {{o|6}} Twilight Matrices, the Signature Move will achieve an {{o|S}} Rank, increasing the explosion DMG by {{o|300}}%.<br><br>'''Signature Move — {{b|Co-Bot + Signature active}}'''<br>Co-Bot: It will not perform other skills while the Signature Move is being cast. When Quick Attack mode ends, it releases a Force Wave to detonate all Twilight Matrices.
|QTE=Twilight Shackles
|QTE Detail=QTE: Expands a <span style="color:#FF6549;">{{o|Duskglow Realm</span>}} on the target's location to deal <span style="color:#FF6549;">200%</span> Dark DMG, creates <span style="color:#FF6549;">{{o|3</span>}} Twilight Matrices, and triggers a realm collapse. <br>- Deals {{o|200%}} Dark DMG.
|- <!--Passives-->
|Core=Shadow Prism Agglomerate
|Core Detail=Core'''Shadow Passive:Prism Attack — {{b|Tap Basic Attack consecutively}}'''<br>No. 21: XXI's Basic Attack will create 1generate {{o|Shadow Prism Energy}}. Upon reaching 4a certain level of {{o|Shadow Prism Energy}}, the next Basic Attack will empty all {{o|Shadow Prism Energy}} to performcast a {{o|Shadow Prism Attack}} and create <span style="color:#FF6549;">{{o|1</span>}} Twilight Matrix on the target'stargets location for 3s that deals <spanDark style="colorDMG and knocks the target down. When generated, the Twilight Matrix grants No.21:#FF6549;" XXI Signature Energy and Dodge Energy. <br>20%- Each Basic Attack generates {{o|1}} Shadow Prism Energy. Upon reaching {{o|4}} Shadow Prism Energy, Shadow Prism Attack will be unleashed. </spanbr>- Deals {{o|20%}} Dark DMG. and<br>- Twilight Matrix lasts {{o|3}}s. When generated, it grants No.21: XXI <span style="color:#FF6549;">{{o|2</span>}} Signature Move Energy and <span style="color:#FF6549;">{{o|50</span>}} Dodge Energy.<br><br>'''Resonance Pulse — {{b|Co-Bot + Twilight Matrix present}}'''<br>When the Co-Bot's Force Wave destroys a Twilight Matrix, it will trigger a <span style="color:#FF6549;">{{o|Resonance Pulse</span>}}, dealing <spanDark style="color:#FF6549;"DMG to nearby enemies. <br>- Deals {{o|50%</span>}} Dark DMG to nearby enemies.<br><br>'''Instant Dodge: — {{b|Uncontrollable state + Tap Dodge}}'''<br>When No. 21: XXI is in Haywire statusuncontrollable (when attacked, downed, or in mid-air), press the Dodge button andto spendperform 1.2xInstant Dodge Energywith (300)extra toDodge perform Instant DodgeEnergy to negate all uncontrollable states and create <span style="color:#FF6549;">{{o|1</span>}} Twilight Matrix on the target's location. Instant Dodge grants No. 21: XXI Super Armor and Shield. <br>- Instant Dodge costs {{o|1.2}}x Dodge Energy ({{o|300}}). <br>- Instant Dodge grants No. 21: XXI Super Armor for 2s{{o|2}}s and a shieldShield equal to {{o|15%}} of max HP.
|Core Activation=[[File:Skill-FrameName-Core.png|center|400px]]
|Leader=Faded Camouflage
|Leader Detail=Dodge Gauge limit and Extra DMG Bonus of team members increase by <span style="color:#FF6549;">{{o|250</span>}} and <span style="color:#FF6549;">{{o|5%</span>}} respectively.
|SS Rank="Phobia"
|SS Rank Detail=Passive: When No. 21: XXI has a shieldShield, her Extra DMG Bonus increases by <span style="color:#FF6549;">{{o|5%</span>}}. If not, her Extra DMG Reduction increases by <span style="color:#FF6549;">{{o|10%</span>}}. A Blue 3-Ping will fully restore Shadow Prism Energy (inactive when performing her Signature Move).
|SSS Rank="Jubilance"
|SSS Rank Detail=Passive: When creating a Twilight Matrix, grants allies on the field <span style="color:#FF6549;">{{o|20%</span>}} Extra DMG Reduction and <span style="color:#FF6549;">{{o|25%</span>}} Extra Dodge Gauge Recovery Speed for 2s{{o|2}}s. ItThis effect can stack up to {{o|3}} times. DurationThe duration will not reset when it is re-triggered. Enemies in the <span style="color:#FF6549;">{{o|Duskglow Realm</span>}} will be afflicted with <span style="color:#FF6549;">{{o|Chain Fusion</span>}} (Dark Resistance decreaseddecreases by <span style="color:#FF6549;">{{o|10%</span>}}) for 5s{{o|5}}s.
|SSS+ Rank="Melancholy"
|SSS+ Rank Detail=Passive: When her Signature Move achieves an S rank, <spanthe style="color:#FF6549;">furtherExtra increases</span>DMG the DMGBonus of the explosion from <span style="color:#FF6549;">{{o|Duskglow Realm</span>}} increases by <span style="color:#FF6549;">{{o|210%</span>}}. The Co-Bot'sBots attacks will grant all allies on the field a shieldShield equal to <span style="color:#FF6549;">{{o|2%</span>}} (stackstacking up to <span style="color:#FF6549;">{{o|10%</span>}}) of No. 21: XXI's max HP.
}}
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