★★★★

Claymore

Release version: 4.3
Maximum level: 90
Base ATK: 565
Energy Recharge: 30.6%

Genshin Impact Weapon

"Ultimate Overlord's Mega Magic Sword"

A magical sword that can only be wielded by the ultimate overlord who rules the seas. As it has been made with special water-resistant materials, it will not get ruined by water damage even after being immersed. Why, one might even call it invincible!

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At a glance

"Ultimate Overlord's Mega Magic Sword" is a 4-star Claymore released in Version 4.3. At Level 90, it has 565 Base ATK and 30.6% Energy Recharge. Its Melussistance! passive is documented from R1 to R5.

Rarity: 4 stars
Type: Claymore
Maximum level: 90
Release version: 4.3

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: 565
Energy Recharge: 30.6%

Passive effect

Melussistance!

Refinement

ATK increased by 12%. That's not all! The support from all Melusines you've helped in Merusea Village fills you with strength! Based on the number of them you've helped, your ATK is increased by up to an additional 12%.

Progression

Ascension materials

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

Mora for ascensions: 150,000

Meshing Gear
× 10
Mechanical Spur Gear
× 15
Artificed Dynamic Gear
× 18
Old Operative's Pocket Watch
× 15
Operative's Standard Pocket Watch
× 18
Operative's Constancy
× 27
Broken Goblet of the Pristine Sea
× 3
Wine Goblet of the Pristine Sea
× 9
Silver Goblet of the Pristine Sea
× 9
Golden Goblet of the Pristine Sea
× 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	44	6.7%
20	119	11.8%
40	226	17.2%
50	293	19.9%
60	361	22.6%
70	429	25.2%
80	497	27.9%
90	565	30.6%

Melussistance!

R1–R5 refinement effects

Every refinement is visible together for direct comparison.

R1

R2

ATK increased by 15%. That's not all! The support from all Melusines you've helped in Merusea Village fills you with strength! Based on the number of them you've helped, your ATK is increased by up to an additional 15%.

R3

ATK increased by 18%. That's not all! The support from all Melusines you've helped in Merusea Village fills you with strength! Based on the number of them you've helped, your ATK is increased by up to an additional 18%.

R4

ATK increased by 21%. That's not all! The support from all Melusines you've helped in Merusea Village fills you with strength! Based on the number of them you've helped, your ATK is increased by up to an additional 21%.

R5

ATK increased by 24%. That's not all! The support from all Melusines you've helped in Merusea Village fills you with strength! Based on the number of them you've helped, your ATK is increased by up to an additional 24%.

Acquisition method

How to get this weapon

Unavailable

Acquisition method: Version 4.3 limited event “Roses and Muskets”
Availability: The Version 4.3 event has ended, and the weapon currently has no permanent acquisition method.

This claymore and its refinement materials were event rewards in Roses and Muskets. Players who missed the Version 4.3 event cannot currently obtain a new copy.

Official source: Official Version 4.3 update details

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