Master Key

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Rarity SSR.png
Master Key
Icon Blue Star Full.pngCan be uncapped to 4★
Weapon b 1040309800.png

Label Element Dark.png Label Weapon Axe.png HP ATK
Level 1 22 470
Level 100 144 2830
Level 150 170 3300
Obtain
Character UnlockObtaining this weapon unlocks a character.
Drawing additional copies beyond the first will instead earn a Gold Moon.
Npc s 3040174000 01.jpg Wulf and Renie
Icon Level Uncap.png Unlock Uncap
4★ Complete Wulf and Renie Lvl 45 Fate Episode "It's a Small World"

ID 1040309800
JP Name マスターキー
Release Date 2018-06-18
4★ Date 2018-06-18
Other Sites
Icon gbf-wiki.pnggbf-wiki
(Japanese wiki)
Icon Gamewith.pngGamewith Icon Kamigame.pngKamigame

Weapon ls 1040309800.jpg
Weapon s 1040309800.jpg
Weapon m 1040309800.jpg

A giant key that can open any lock with ease. You won't even need a keychain—a single one of these will get you into anywhere you please.
Charge Attack
Skill charge attack.png Uninvited Guest Massive Dark damage to a foe.
Gain Status DoubleUp.pngDA UpDouble attack rate is boosted
Duration: 3.5 turnsApplied during the attack phase.
On the next turn, it'll have 3 turns remaining.
and Status TripleUp.pngTA UpTriple attack rate is boosted
Duration: 3.5 turnsApplied during the attack phase.
On the next turn, it'll have 3 turns remaining.
.
Self-inflict Status DefenseDown.pngDEF DownDEF is lowered (Can't be removed)
Duration: 3.5 turnsApplied during the attack phase.
On the next turn, it'll have 3 turns remaining.
.
Weapon Skills
Ws skill atk 6 3.png
Oblivion's Might Big boost to dark allies' ATK
120 Unlocks at level 120: Unlocks at level 120:
Ws skill job weapon.png
Visitor in the Night When main weapon (MC only): Boost to ATK based on how few foes remain.
4★ Uncap
Rupies square.jpg Rupies ×10,000
Base Reduction Materials
This weapon is safe to reduce. Do not use as fodder.

Trivia

  • Master Key resembles a firefighter's axe, due to its distinguishable axe head color and pick-shaped pointed poll.
    • Its description refers to the main use of a firefighter's axe, which is breaking down doors and windows.