final update:
This is the last update to the document, the reason is I don't have much time to keep datamining and also I quit the game.
If you are unable to find new sources for leaks, try NIKKE Community Discord (ENG), NGA (CN) or Arcalive (KR).
I will continue to update the Bond Advise Guide because it doesn't take me too much time.
Thanks for all!!!
- final update:
- Endless
- Marian
- Rumani
- D
- K
- Mast
- Anchor
- Blanc
- Noir
- Modernia
- Sakura
- Mana
- Jackal
- Moran
- Viper
- Rosanna
- Aid
- Bibli
- Marchana
- Rouge
- Cocoa
- Soda
- Chime
- Kilo
- Biscuit
- Guilty
- Crown
- Milly
- Nero
- Rei
- Nayuta
- Riff
- Toub
- Kiri
- Neon (Swimsuit)
- Liqueur
- Acre
- Anne: Miracle Fairy
- Unknown Name (ID: 122)
- Mary (Swimsuit)
- Pia
- Forte
- Neve
- Unknown Name (ID: 211)
- Dorothy
- Nihilister
- Liberalio
- Unknown Name (ID: 322)
- Siren
- X
- Pin
- Unknown Name (ID: 370)
- Ein
- Sin
- Quency
Endless

** ID:** 371
** Class: Attacker
** Rarity: SSR
** Squad: Unknown
** Element: Unknown
** Weapon: Unknown
** Manufacturer: MISSILIS
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Marian

** ID:** 13
** Class: Attacker
** Rarity: SR
** Squad: Counters
** Element: Water
** Weapon: Submachine Gun
** Manufacturer: ELYSION
** VA (KR): Kim Ha-ru
** VA (JP): Kana Hanazawa
** VA (EN):** Ryan Bartley
Kit
** Mode: Normal
** Ammo: 120
** Reload time:** 1.5s
- Normal Attack
■ Affects target enemy.
Deals 8.73% of ATK as damage.
- Skill 1: Affection
■ Activates when the last bullet hits the target. Affects the target.
Deals {description_value_01}% of ATK as Additional Damage.
- Skill 2: Platonic
■ Affects self.
ATK ▲ {description_value_01}% for {description_value_02} sec.
- Burst Skill: Realization
■ Affects all enemies.
Deals {description_value_02}% of ATK as damage.
Rumani

** ID:** 240
** Class: Unknown
** Rarity: SSR
** Squad: Nepenthe
** Element: Unknown
** Weapon: Unknown
** Manufacturer: TETRA
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
D

** ID:** 40
** Class: Unknown
** Rarity: SSR
** Squad: Perilous Siege
** Element: Unknown
** Weapon: Submachine Gun
** Manufacturer: ELYSION
** VA (KR): Kim Na-yul
** VA (JP): Unknown
** VA (EN):** Jeannie Tirado
K

** ID:** 41
** Class: Unknown
** Rarity: SSR
** Squad: Perilous Siege
** Element: Unknown
** Weapon: Submachine Gun
** Manufacturer: ELYSION
** VA (KR): Kim Yun-chae
** VA (JP): Unknown
** VA (EN):** Amber Lee Connors
Mast

** ID:** 350
** Class: Unknown
** Rarity: SSR
** Squad: Aegis
** Element: Unknown
** Weapon: Submachine Gun
** Manufacturer: ELYSION
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Anchor

** ID:** 351
** Class: Unknown
** Rarity: SSR
** Squad: Aegis
** Element: Unknown
** Weapon: Rocket Launcher
** Manufacturer: ELYSION
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Blanc

** ID:** 270
** Class: Unknown
** Rarity: SSR
** Squad: 777
** Element: Unknown
** Weapon: Unknown
** Manufacturer: TETRA
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Noir

** ID:** 271
** Class: Unknown
** Rarity: SSR
** Squad: 777
** Element: Unknown
** Weapon: Shotgun
** Manufacturer: TETRA
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Modernia

Backstory: A plain and delicate girl who sold out mankind. A member of the Queen's elite squad, the Heretics.
** ID:** 260
** Class: Unknown
** Rarity: SSR
** Squad: The Heretics
** Element: Unknown
** Weapon: Unknown
** Manufacturer: PILGRIM
** VA (KR): Kim Ha-ru
** VA (JP): Kana Hanazawa
** VA (EN):** Ryan Bartley
Sakura
** ID:** 282
** Class: Unknown
** Rarity: SSR
** Squad: Underworld Queen
** Element: Unknown
** Weapon: Unknown
** Manufacturer: ELYSION
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Mana

** ID:** 290
** Class: Unknown
** Rarity: SSR
** Squad: M.M.R.
** Element: Unknown
** Weapon: Unknown
** Manufacturer: MISSILIS
** VA (KR): Lee Myung-hee
** VA (JP): Unknown
** VA (EN):** Skyler Davenport
Jackal

Backstory: A Nikke subordinate to the Exotic Squad. Crow's loyal lackey. Fully prepared to do Crow's bidding at any given moment.
** ID:** 111
** Class: Unknown
** Rarity: SSR
** Squad: Exotic
** Element: Unknown
** Weapon: Rocket Launcher
** Manufacturer: MISSILIS
** VA (KR): Gang Eun-ae
** VA (JP): Unknown
** VA (EN):** Lindsay Sheppard
Moran

** ID:** 281
** Class: Unknown
** Rarity: SSR
** Squad: Underworld Queen
** Element: Unknown
** Weapon: Unknown
** Manufacturer: TETRA
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Viper

Backstory: The staff officer of the Exotic Squad. She can manipulate any human with her verbal trickery and physical beauty.
** ID:** 112
** Class: Unknown
** Rarity: SSR
** Squad: Exotic
** Element: Unknown
** Weapon: Shotgun
** Manufacturer: TETRA
** VA (KR): Jo Kyung-yi
** VA (JP): Unknown
** VA (EN):** Amanda Lee
Rosanna

** ID:** 280
** Class: Unknown
** Rarity: Unknown
** Squad: Unknown
** Element: Unknown
** Weapon: Unknown
** Manufacturer: Unknown
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Aid

** ID:** 310
** Class: Unknown
** Rarity: SSR
** Squad: Maid For You
** Element: Unknown
** Weapon: Unknown
** Manufacturer: TETRA
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Bibli

** ID:** 320
** Class: Unknown
** Rarity: SSR
** Squad: Unknown
** Element: Unknown
** Weapon: Unknown
** Manufacturer: ELYSION
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Marchana

** ID:** 321
** Class: Unknown
** Rarity: SSR
** Squad: Unknown
** Element: Unknown
** Weapon: Shotgun
** Manufacturer: ELYSION
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Rouge

** ID:** 272
** Class: Unknown
** Rarity: SSR
** Squad: 777
** Element: Unknown
** Weapon: Sniper
** Manufacturer: TETRA
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Cocoa

** ID:** 311
** Class: Unknown
** Rarity: SSR
** Squad: Maid For You
** Element: Unknown
** Weapon: Sniper
** Manufacturer: TETRA
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Soda

** ID:** 312
** Class: Unknown
** Rarity: SSR
** Squad: Maid For You
** Element: Unknown
** Weapon: Unknown
** Manufacturer: TETRA
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Chime

** ID:** 331
** Class: Unknown
** Rarity: SSR
** Squad: Weissritter
** Element: Unknown
** Weapon: Submachine Gun
** Manufacturer: PILGRIM
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Kilo

** ID:** 361
** Class: Unknown
** Rarity: SSR
** Squad: Heavy Gram
** Element: Unknown
** Weapon: Unknown
** Manufacturer: MISSILIS
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Biscuit

** ID:** 381
** Class: Unknown
** Rarity: SSR
** Squad: Happy Zoo
** Element: Unknown
** Weapon: Unknown
** Manufacturer: TETRA
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Guilty

Backstory: A Nikke subordinate to the Real Kindness Squad. Possesses incredible strength. Has been detained in the Rehabilitation Center for causing severe bodily damage to over 40 Nikkes within 2 weeks.
** ID:** 400
** Class: Unknown
** Rarity: SSR
** Squad: Real Kindness
** Element: Unknown
** Weapon: Unknown
** Manufacturer: MISSILIS
** VA (KR): Lee Bo-hee
** VA (JP): Unknown
** VA (EN): Unknown
Crown

** ID:** 330
** Class: Unknown
** Rarity: SSR
** Squad: Weissritter
** Element: Unknown
** Weapon: Unknown
** Manufacturer: PILGRIM
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Milly

** ID:** 360
** Class: Unknown
** Rarity: SSR
** Squad: Heavy Gram
** Element: Unknown
** Weapon: Rocket Launcher
** Manufacturer: MISSILIS
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Nero

** ID:** 380
** Class: Unknown
** Rarity: SSR
** Squad: Happy Zoo
** Element: Unknown
** Weapon: Submachine Gun
** Manufacturer: TETRA
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Rei

** ID:** 392
** Class: Unknown
** Rarity: SSR
** Squad: Unknown
** Element: Unknown
** Weapon: Submachine Gun
** Manufacturer: Unknown
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Nayuta

** ID:** 223
** Class: Unknown
** Rarity: SSR
** Squad: Pioneer
** Element: Unknown
** Weapon: Shotgun
** Manufacturer: PILGRIM
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Riff

** ID:** 410
** Class: Unknown
** Rarity: SSR
** Squad: Unknown
** Element: Unknown
** Weapon: Unknown
** Manufacturer: Unknown
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Toub

** ID:** 192
** Class: Unknown
** Rarity: SSR
** Squad: Unlimited
** Element: Unknown
** Weapon: Unknown
** Manufacturer: TETRA
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Kiri

** ID:** 33
** Class: Unknown
** Rarity: SSR
** Squad: A.C.P.U.
** Element: Unknown
** Weapon: Rocket Launcher
** Manufacturer: ELYSION
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Neon (Swimsuit)
alter character, not a skin.

** ID:** 14
** Class: Unknown
** Rarity: SSR
** Squad: Unknown
** Element: Unknown
** Weapon: Submachine Gun
** Manufacturer: Unknown
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Liqueur

** ID:** 53
** Class: Unknown
** Rarity: R
** Squad: Maid For You
** Element: Unknown
** Weapon: Rocket Launcher
** Manufacturer: TETRA
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Acre

** ID:** 81
** Class: Unknown
** Rarity: R
** Squad: Mighty Tools
** Element: Unknown
** Weapon: Shotgun
** Manufacturer: MISSILIS
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Anne: Miracle Fairy

Backstory: Anne after being reborn as a winter spirit upon receiving some gifts from Rupee. Rupee's infectious positive energy has made her more cheerful and optimistic than ever before.
** ID:** 121
** Class: Supporter
** Rarity: SSR
** Squad: Recall & Release
** Element: Wind
** Weapon: Rocket Launcher
** Manufacturer: Unknown
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Kit
** Burst Type: II
** Burst CD: 60s
- Skill 1: Fairy Dance
■ Affects all Supporter allies.
Activates after 3 normal attack(s).
Recover {description_value_01}% of attack damage as HP over 5 sec.
- Skill 2: Fairy's Jest
■ Affects all allies. Activates when above 90% HP.
HP Potency ▲ {description_value_02}%.
■ Activates when the last bullet hits the target while having over 90% HP. Affects all enemies.
HP Potency ▼ {description_value_03}% for 10 sec.
- Burst Skill: Blue Butterfly Slumber
■ Affects 1 random fallen Attacker ally unit(s).
Resurrect with {description_value_04}% HP. Activates once per battle.
■ Affects all Attacker allies.
Restores HP equal to {description_value_05}% of the caster's Max HP.
ATK ▲ {description_value_06}% for 10 sec.
Unknown Name (ID: 122)

** ID:** 122
** Class: Unknown
** Rarity: SSR
** Squad: Recall & Release
** Element: Unknown
** Weapon: Unknown
** Manufacturer: Unknown
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Mary (Swimsuit)
alter character, not a skin.

** ID:** 132
** Class: Unknown
** Rarity: Unknown
** Squad: Unknown
** Element: Unknown
** Weapon: Unknown
** Manufacturer: Unknown
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Pia

** ID:** 151
** Class: Unknown
** Rarity: SSR
** Squad: Master Hand
** Element: Unknown
** Weapon: Sniper
** Manufacturer: Unknown
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Forte

** ID:** 152
** Class: Unknown
** Rarity: SSR
** Squad: Master Hand
** Element: Unknown
** Weapon: Unknown
** Manufacturer: Unknown
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Neve

Backstory: A Nikke subordinate to the Unlimited Squad. She is always searching for polar bears. Has a proclivity for hibernating, as she feels imitating the behavior of polar bears is the key to finding them.
** ID:** 193
** Class: Attacker
** Rarity: SR
** Squad: Unlimited
** Element: Water
** Weapon: Shotgun
** Manufacturer: TETRA
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Kit
** Burst Type: III
** Burst CD: 40s
- Skill 1: Bear Power
■ Affects 1 enemy unit(s) with the lowest HP.
Deals {description_value_01}% of ATK as damage.
- Skill 2: Hibernation
■ Activates when entering Full Burst. Affects self.
Deals for Pierce for 2 round(s).
ATK ▲ {description_value_02}% for 2 round(s).
- Burst Skill: Roar
■ Affects self.
Critical Rate ▲ {description_value_03}% for 20 sec.
Hit Rate ▲ {description_value_04}% for 20 sec.
Unknown Name (ID: 211)

** ID:** 211
** Class: Unknown
** Rarity: SSR
** Squad: Protocol
** Element: Unknown
** Weapon: Unknown
** Manufacturer: TETRA
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Dorothy

Backstory: The leader of the Inherit Squad. In a squad renowned for its superlative strength, she is recognized as the most powerful amongst all of them. Her angelic smile belies a heart that burns with physical desire.
** ID:** 233
** Class: Unknown
** Rarity: SSR
** Squad: Inherit
** Element: Unknown
** Weapon: Unknown
** Manufacturer: PILGRIM
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Nihilister

Backstory: A Heretic and loyal subject of the Rapture Queen who has long been a scourge to all Nikkes. As the lead general of the legions under the Queen's command, her belligerence knows no bounds, nor does her appetite for destruction.
** ID:** 261
** Class: Unknown
** Rarity: SSR
** Squad: The Heretics
** Element: Unknown
** Weapon: Unknown
** Manufacturer: PILGRIM
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Liberalio

Backstory: A Heretic reminiscent of the silence that covers the ocean deep. Her acute sensitivity to sound makes her excellent at search and detection, but also makes her overly susceptible to loud noises, which she detests.
** ID:** 262
** Class: Unknown
** Rarity: SSR
** Squad: The Heretics
** Element: Unknown
** Weapon: Unknown
** Manufacturer: PILGRIM
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Unknown Name (ID: 322)
** ID:** 322
** Class: Unknown
** Rarity: SSR
** Squad: Unknown
** Element: Unknown
** Weapon: Unknown
** Manufacturer: ELYSION
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Siren

** ID:** 340
** Class: Unknown
** Rarity: SSR
** Squad: Unknown
** Element: Unknown
** Weapon: Submachine Gun
** Manufacturer: ELYSION
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
X

** ID:** 341
** Class: Unknown
** Rarity: SSR
** Squad: Unknown
** Element: Unknown
** Weapon: Rocket Launcher
** Manufacturer: ELYSION
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Pin

** ID:** 342
** Class: Unknown
** Rarity: SSR
** Squad: Unknown
** Element: Unknown
** Weapon: Unknown
** Manufacturer: ELYSION
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Unknown Name (ID: 370)

** ID:** 370
** Class: Unknown
** Rarity: SSR
** Squad: Unknown
** Element: Unknown
** Weapon: Unknown
** Manufacturer: MISSILIS
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Ein

** ID:** 391
** Class: Unknown
** Rarity: SSR
** Squad: Unknown
** Element: Unknown
** Weapon: Unknown
** Manufacturer: Unknown
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Sin

Backstory: The leader of the Real Kindness Squad. She can brainwash others using words alone. This ability, in combination with some additional verbal gymnastics, makes her able to turn anyone into a mindless puppet.
** ID:** 401
** Class: Unknown
** Rarity: SSR
** Squad: Real Kindness
** Element: Unknown
** Weapon: Unknown
** Manufacturer: MISSILIS
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown
Quency

Backstory: A master escape artist who can break out of any prison where she is being kept captive. A highly amiable individual who excels in wheeling and dealing. She is always the life of the party at the Rehabilitation Center.
** ID:** 402
** Class: Unknown
** Rarity: SSR
** Squad: Real Kindness
** Element: Unknown
** Weapon: Submachine Gun
** Manufacturer: MISSILIS
** VA (KR): Unknown
** VA (JP): Unknown
** VA (EN): Unknown