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This page contains the complete details of Akuoumaru in Genshin Impact. Learn more about the stats, passive effects, ascension materials, and how to get Akuoumaru here.
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| Akuoumaru Details | |
|---|---|
 | |
| Weapon Type | Claymore |
| Rarity | ★★★★ |
| Base ATK | 42 |
| Atk | 9% |
| How To Get | Wish |
| Watatsumi Wavewalker | |
| For every point of the entire party’s combined maximum Energy capacity, the Elemental Burst DMG of the character equipping this weapon is increased by 0.12%. A maximum of 40% increased Elemental Burst DMG can be achieved this way. | |
| Description | |
| The beloved sword of the legendary “Akuou.” The blade is huge and majestic, but is surprisingly easy to wield. | |
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Akuoumaru Stats
These are the base stats of Akuoumaru based on its level after ascension.
| level | base atk | Atk |
|---|---|---|
| 20 | 135 | 15.9% |
| 40 | 231 | 23.2% |
| 50 | 292 | 26.8% |
| 60 | 353 | 30.4% |
| 70 | 414 | 34.1% |
| 80 | 475 | 37.7% |
| 90 | 510 | 41.3% |
Akuoumaru Passive
A weapon can be refined by consuming an identical weapon and the weapon’s passive effect is increased with every rank.
| Watatsumi Wavewalker |
|---|
| Refine Lv.2 For every point of the entire party’s combined maximum Energy capacity, the Elemental Burst DMG of the character equipping this weapon is increased by 0.15%. A maximum of 50% increased Elemental Burst DMG can be achieved this way. |
| Refine Lv.3 For every point of the entire party’s combined maximum Energy capacity, the Elemental Burst DMG of the character equipping this weapon is increased by 0.18%. A maximum of 60% increased Elemental Burst DMG can be achieved this way. |
| Refine Lv.4 For every point of the entire party’s combined maximum Energy capacity, the Elemental Burst DMG of the character equipping this weapon is increased by 0.21%. A maximum of 70% increased Elemental Burst DMG can be achieved this way. |
| Refine Lv.5 For every point of the entire party’s combined maximum Energy capacity, the Elemental Burst DMG of the character equipping this weapon is increased by 0.24%. A maximum of 80% increased Elemental Burst DMG can be achieved this way. |
Akuoumaru Ascension Materials
3
Coral Branch of a Distant Sea
9
Jeweled Branch of a Distant Sea
9
Jade Branch of a Distant Sea
4
Golden Branch of a Distant Sea
15
Concealed Claw
18
Concealed Unguis
27
Concealed Talon
10
Old Handguard
15
Kageuchi Handguard
18
Famed Handguard
Claymore Weapons
| NAME | RARITY | ATK | SUBSTAT |
|---|---|---|---|
 Beacon of the Reed Sea | 5-Star | 46 | CRIT Rate + 7.2% |
 Redhorn Stonethresher | 5-Star | 44 | CRIT DMG + 19.2% |
 Skyward Pride | 5-Star | 48 | Energy Recharge + 8% |
 Song of Broken Pines | 5-Star | 49 | PHY DMG + 4.5% |
 The Unforged | 5-Star | 46 | ATK + 10.8% |
 Wolf's Gravestone | 5-Star | 46 | ATK + 10.8% |
 Tidal Shadow | 4-Star | 42.4 | ATK + 9% |
 Talking Stick | 4-Star | 43.73 | CRIT Rate + 4% |
 Forest Regalia | 4-Star | 43.73 | Energy Recharge + 6.67% |
 Portable Power Saw | 4-Star | 41.07 | HP + 12% |
 Makhaira Aquamarine | 4-Star | 42.4 | Elemental Mastery + 36 |
 Mailed Flower | 4-Star | 43.73 | Elemental Mastery + 24 |
 Akuoumaru | 4-Star | 42 | ATK + 9% |
 Blackcliff Slasher | 4-Star | 42 | CRIT DMG + 12% |
 Favonius Greatsword | 4-Star | 41 | Energy Recharge + 13.3% |
 Katsuragikiri Nagamasa | 4-Star | 42 | Energy Recharge + 10% |
 Lithic Blade | 4-Star | 42 | ATK + 9% |
 Luxurious Sea-Lord | 4-Star | 41 | ATK + 12% |
 Prototype Archaic | 4-Star | 44 | ATK + 6% |
 Rainslasher | 4-Star | 42 | Elemental Mastery + 36 |
 Royal Greatsword | 4-Star | 44 | ATK + 6% |
 Sacrificial Greatsword | 4-Star | 44 | Energy Recharge + 6.7% |
 Serpent Spine | 4-Star | 42 | CRIT Rate + 6% |
 Snow-Tombed Starsilver | 4-Star | 44 | PHY DMG + 7.5% |
 The Bell | 4-Star | 42 | HP + 9% |
 Whiteblind | 4-Star | 42 | DEF + 11.3% |
 Bloodtainted Greatsword | 3-Star | 38 | Elemental Mastery + 41 |
 Debate Club | 3-Star | 39 | ATK + 7.7% |
 Ferrous Shadow | 3-Star | 39 | HP + 7.7% |
 Quartz | 3-Star | 39 | Elemental Mastery + 16 |
 Skyrider Greatsword | 3-Star | 39 | PHY DMG + 9.6% |
 White Iron Greatsword | 3-Star | 39 | DEF + 9.6% |
 Old Merc's Pal | 2-Star | 33 | N/A |
 Waster Greatsword | 1-Star | 23 | N/A |