Master Key

Master Key Can be uncapped to 4★

06	HP	ATK	C.A.×
Level 1	22	470	??
Level 100	144	2830	??
Level 150	170	3300	??
Obtain	Premium Draw Surprise Ticket
Character UnlockObtaining this weapon unlocks a character. Drawing additional copies beyond the first will instead earn a Gold Moon.	Wulf and Renie

Unlock Uncap
4★	Complete Wulf and Renie Lvl 45 Fate Episode "It's a Small World"

Other Sites
gbf-wiki (Japanese wiki)	Gamewith	Kamigame

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
	Uninvited Guest	Massive Dark damage to a foe. Gain DA UpDouble attack rate is boosted Duration: 3.5 turnsApplied during the attack phase. On the next turn, it'll have 3 turns remaining. and TA 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 DEF 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
	Oblivion's Might	Big boost to dark allies' ATK
120	Unlocks at level 120:	Unlocks at level 120:
	Visitor in the Night	When main weapon (MC only): Boost to ATK based on how few foes remain.

4★ Uncap
200× Axe Stone 80× Umbral Whorl 50× Diablo Omega Anima 3× Supreme Merit	100× Abysm Orb 7× Ater Centrum 1× Dark Urn 5× Blue Sky Crystal
Rupies ×10,000

Base Reduction Materials
200× Axe Stone 30× Umbral Whorl	30× Abysm Orb
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.