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Common Keys (also called Universal Keys ) are equipped on T-Dolls to provide stat boosts and extra effects. Unlike Fixed Keys (also called Exclusive Keys ), Common Keys can be equipped on any T-Doll, even if they were unlocked as part of a specific T-Doll's enhancement.
Common Keys are obtained during events , by completing the Neural Helix of a T-Doll or by reaching Bond 5 with a T-Doll. They're equipped on the right side of the Key Regulation menu, while Fixed Keys are equipped on the left side..
List
From Events
Name
Event
Effects
Heavy Metal
Sojourners of the Glass Island - Hazard Patrol
Crit Rate +3%
Attack Boost +3%
Rubber Pig
Sojourners of the Glass Island - Wasteland Impact
Attack Boost +3%
Health Boost +3%
The Force of Bravery
Sojourners of the Glass Island - Event Shop (Part 1)
Crit Rate +3%
Attack Boost +3%
Fortress Gatekeeper (Warden's Wall)
Sojourners of the Glass Island - Event Shop (Part 1)
Attack Boost +2%
Defense Boost +2%
Pixie Cape (Snow Fairy's Cape)
Sojourners of the Glass Island - Event Shop (Part 2)
Attack Boost +3%
Defense Boost +3%
Delicious Canned Herring (Yummy Canned Herring)
Sojourners of the Glass Island - Event Shop (Part 2)
Attack Boost +2%
Health Boost +2%
Teddy Bear Costume
Rhapsody Quartet - Event Shop
Attack Boost +3%
Health Boost +3%
Caramel Overload
Rhapsody Quartet - Event Shop
Attack Boost +2%
Defense Boost +2%
Vibrant Tremolo
Amidst Wings of Gray - Event Shop
Crit Rate +3%
Attack Boost +3%
Reverberating Melody
Amidst Wings of Gray - Event Shop
Attack Boost +2%
Health Boost +2%
Almighty Wish Machine
Halting Station - Event Shop
Attack Boost +3%
Health Boost +3%
The Best Sword in the Elmo
Halting Station - Event Shop
Crit Rate +2%
Attack Boost +2%
Demon King's Scales
Simulation Exercise (Stage 4) in 2025-02
Attack Boost +3%
Defense Boost +3%
Black Tea Breve
Zucchero Café - Event Shop
Crit Rate +3%
Attack Boost +3%
Ice Velvet Latte
Zucchero Café - Event Shop
Attack Boost +2%
Defense Boost +2%
Fragrant Protection
Zucchero Café - A+ Rank Mission
Attack Boost +3%
Health Boost +3%
Trustworthy Leader
Simulation Exercise (2025/03/26 to 2025/04/09) - Stage 4
Attack Boost +3%
Defense Boost +3%
Tacit Lookout
Aphelion - Event Shop
Attack Boost +3%
Crit Rate +3%
Absolute Elite
Aphelion - Event Shop
Attack Boost +2%
Health Boost +2%
Canned Energy Drink
Aphelion - Event Shop
Attack Boost +3%
Defense Boost +3%
Eye of the Assaulter
Aphelion - Event Shop
Attack Boost +2%
Crit Rate +2%
Enhanced Battery
Aphelion - Complete a game in Pathforger Tycoon
Attack Boost +3%
Health Boost +3%
From Neural Helix
Name
T-Doll
Effects
Essential Hot Beverages
Centaureissi
Health Boost +5.0%
At the end of action, applies Heat Recovery to the closest allied unit without Heat Recovery . This effect has a 2-turn cooldown.
Shattering Stone and Silk
Daiyan
Crit Rate +5.0%
At the start of the action, gains Movement Up I for 1 turn . This has a cooldown of 1 turn .
Artistic Inspiration
Dushevnaya
Attack Boost +5.0%
For targets with mobility less than or equal to the user or that cannot move, increases Phase damage dealt by 10% .
Survival Instinct
Makiatto
Attack Boost +5.0%
At the start of the action, if own HP is greater than 80% , reduces stability damage taken from attacks by 2 points . This can trigger at most once per turn.
All Seeing Eye
Mosin-Nagant
Attack Boost +5.0%
When this unit is under the effects of Insight , increases damage dealt by 7% .
Brilliant Medal
Papasha
Attack Boost +5.0%
Increases damage dealt by allied units' support skills (excluding self) by 10% . Can trigger at most once per turn.
All Points to Damage
Peritya
Crit Rate +5.0%
If an active skill hits 2 or more enemy targets, damage dealt is increased by 7% .
Strategic Negotiation
Qiongjiu
Crit Rate +5.0%
Increase damage dealt outside of the unit's own turn by 7% .
Hot Oil Protection
Sabrina
Defense Boost +5.0%
When dealing targeted damage, applies Movement Down II to the target for 1 turn .
Mission's Blessing
Suomi
Defense Boost +5.0%
When HP drops below 80% , restore 15% of this unit's maximum HP and gain Defense Up III for 2 turns . Can trigger only once per battle.
Afterglow
Tololo
Attack Boost +5.0%
When Confectance Index is below max, increases damage dealt by 7% .
Mangle
Ullrid
Crit Rate +5.0%
If the enemy target's HP is not full before the attack, increase damage dealt to them by 7% .
Heart Melting Strike
Vepley
Attack Boost +5.0%
If the user's Mobility is greater than or equal to the target's, increases damage dealt by 7% .
Overengineered Invention
Cheeta
Attack Boost +3.0%
When using an active heal, there is a 50% chance to apply 1 random buff to the target for 1 turn .
Fabricated Life
Colphne
Health Boost +3.0%
Before using a single target active heal, cleanses 1 random debuff from the target.
Sustained Endurance
Groza
Health Boost +3.0%
When Shelter is active, this unit is immune to displacement for 1 time. Has a cooldown of 1 turn .
Art of Violence
Krolik
Crit Rate +3.0%
If under the effects of a Burn buff, gains immunity to Frozen and Frigid , and increases damage by 5% .
Blazing Inferno
Ksenia
Health Boost +3.0%
When applying a Burn buff, there is a 50% chance to apply 1 additional buff to the target for 1 turn .
Vulnerability Exploit
Littara
Crit Rate +3.0%
Damage dealt to targets with defense debuffs is increased by 7% .
Hunting Trap
Lotta
Attack Boost +3.0%
Increase damage dealt against enemy targets with movement debuffs by 7% .
Veteran's Wisdom
Nagant
Attack Boost +3.0%
If the target's stability index is lower than this unit's, increase damage dealt to them by 7% .
Blessing of the Morning Star
Nemesis
Attack Boost +3.0%
When this unit is under the effects of Insight , gain 3 additional tiles of movement after killing an enemy target.
Opening Fireworks
Sharkry
Crit Rate +3.0%
If the unit has more than 1 buff, increase damage dealt by 7% .
From Bond
Name
T-Doll
Effects
Maid's Pride
Centaureissi
Attack Boost +3%
Health Boost +3%
Defense Boost +3%
Sweet Serenade
Daiyan
Crit DMG +3%
Attack Boost +3%
Health Boost +3%
Shining Memories
Dushevnaya
Crit Rate +3%
Attack Boost 3%
Health Boost +3%
Love So Sweet
Makiatto
Crit DMG +3%
Attack Boost +3%
Health Boost +3%
Heart of Gold
Mosin-Nagant
Crit Rate +3%
Attack Boost +3%
Health Boost +3%
Unbreakable Faith
Papasha
Attack Boost +3%
Health Boost +3%
Defense Boost +3%
Cat's Relaxation
Peritya
Crit Rate +3%
Crit DMG +3%
Attack Boost +3%
Warm as Jade
Qiongjiu
Crit DMG +3%
Attack Boost +3%
Health Boost +3%
Dessert Time
Sabrina
Attack Boost +3%
Health Boost +3%
Defense Boost +3%
Rock and Roll
Suomi
Attack Boost +3%
Health Boost +3%
Defense Boost +3%
Stardust's Whispers
Tololo
Crit DMG +3%
Attack Boost +3%
Health Boost +3%
Stress Ball Terminator
Ullrid
Crit DMG +3%
Attack Boost +3%
Health Boost +3%
Grand Debut
Vepley
Crit Rate +3%
Crit DMG +3%
Attack Boost +3%
Genius' Luck
Cheeta
Attack Boost +3%
Health Boost +3%
Defense Boost +3%
Healing Treatment
Colphne
Attack Boost +3%
Health Boost +3%
Defense Boost +3%
Midnight Reflection
Groza
Attack Boost +3%
Health Boost +3%
Defense Boost +3%
Scorching Protection
Krolik
Crit Rate +3%
Attack Boost +3%
Health Boost +3%
Making Money
Ksenia
Attack Boost +3%
Health Boost +3%
Defense Boost +3%
Scribbled Thoughts
Littara
Crit Rate +3%
Attack Boost +3%
Health Boost +3%
New Sprout
Lotta
Crit Rate +3%
Attack Boost +3%
Health Boost +3%
Hat Trick
Nagant
Attack Boost +3%
Health Boost +3%
Defense Boost +3%
Soft Whispers
Nemesis
Crit DMG +3%
Attack Boost +3%
Health Boost +3%
Idol's Determination
Sharkry
Crit DMG +3%
Attack Boost +3%
Health Boost +3%