Master Key: Best Characters, Stats & Materials

A heavy greatsword with a razor-sharp blade. Power is a key that can open almost any lock.

What the tier lists say about Master Key

B tier in the consensus (score 58). The sources agree.

Game8	A 57 points · Sub-DPS A, Support B
GameWith	A 60 points · Main DPS A

Stats Lv. 1 → 90

Base ATK: 41 → 454
Energy Recharge: 13.3% → 61.3%

Passive: Fall Into Place

R1One copy of the weapon

Upon causing an Elemental Reaction, increases Elemental Mastery by 60 for 12s. Moonsign: Ascendant Gleam: Elemental Mastery from this effect is further increased by 60. This effect can be triggered even if the equipping character is off-field.

R22 copies · 1,000 Mora

Upon causing an Elemental Reaction, increases Elemental Mastery by 75 for 12s. Moonsign: Ascendant Gleam: Elemental Mastery from this effect is further increased by 75. This effect can be triggered even if the equipping character is off-field.

R33 copies · 2,000 Mora

Upon causing an Elemental Reaction, increases Elemental Mastery by 90 for 12s. Moonsign: Ascendant Gleam: Elemental Mastery from this effect is further increased by 90. This effect can be triggered even if the equipping character is off-field.

R44 copies · 4,000 Mora

Upon causing an Elemental Reaction, increases Elemental Mastery by 105 for 12s. Moonsign: Ascendant Gleam: Elemental Mastery from this effect is further increased by 105. This effect can be triggered even if the equipping character is off-field.

R55 copies · 8,000 Mora

Upon causing an Elemental Reaction, increases Elemental Mastery by 120 for 12s. Moonsign: Ascendant Gleam: Elemental Mastery from this effect is further increased by 120. This effect can be triggered even if the equipping character is off-field.

Each extra copy of the weapon raises the refinement by one, up to R5.