Master Key

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

At a glance

Master Key is a 4-star Claymore released in Version 6.0. At Level 90, it has 454 Base ATK and 61.3% Energy Recharge. Its Fall Into Place passive is documented from R1 to R5.

Rarity: 4 stars
Type: Claymore
Maximum level: 90
Release version: 6.0

Lunaris data: version 7.1.0 (latest version reported by the source at import: 7.1.0), generated on September 22, 2026.This is the catalog generation date. Build guides separately state when their recommendations were checked.

Progression

Stats at level 90

Level

190

Base ATK: 454
Energy Recharge: 61.3%

Passive effect

Fall Into Place

Refinement

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.

Progression

Ascension materials

Total ascension cost. Level-up EXP and Mora, and extra copies for refinement, are not included.

Mora for ascensions: 150,000

Broken Drive Shaft
× 10
Reinforced Drive Shaft
× 15
Precision Drive Shaft
× 18
Lightless Bone
× 15
Glowing Remains
× 18
Radiant Exoskeleton
× 27
Sundered Glory of the Far-North Scions
× 3
Unyielding Delusion of the Far-North Scions
× 9
Oblation of the Far-North Scions
× 9
Aureate Radiance of the Far-North Scions
× 4

Names source: Lunaris

Progression

Stats by level

Stored values at the main progression milestones from level 1 to 90.

Level	Base ATK	Energy Recharge
1	41	13.3%
20	99	23.6%
40	184	34.3%
50	238	39.7%
60	293	45.1%
70	347	50.5%
80	401	55.9%
90	454	61.3%

Fall Into Place

R1–R5 refinement effects

Every refinement is visible together for direct comparison.

R1

R2

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.

R3

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.

R4

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.

R5

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.

Keep exploring