Genshin Impact Akuoumaru

Introduction to Genshin Impact Akuoumaru Claymore

The Genshin Impact Akuoumaru is a powerful 4-star claymore in Genshin Impact that offers a unique way to significantly boost the damage dealt by a character’s Elemental Burst. It belongs to the Watatsumi Wavewalker series of weapons, which are designed to enhance Elemental Burst Damage based on your party’s combined Energy capacity. This isn’t just about the character wielding it; the weapon’s effectiveness is deeply tied to the Energy cost of all the Elemental Bursts of every character in your team. In fact, if optimized correctly with an appropriate team, Akuoumaru can even contend with some 5-star weapon options, making it an amazing choice for your roster.

Its main statistical benefits include a base attack value that ranges from 42 to 510, and a substantial Attack percentage as its substat, which can go from 9% up to 41.3% at maximum level. The core of its power, however, lies in its passive ability, “Watatsumi Wavewalker”. This passive increases the Elemental Burst Damage of the wielder by 0.12% to 0.24% for every point of the entire party’s combined maximum Energy capacity.

The bonus damage from this effect has a cap, ranging from 40% to 80%. For instance, if your entire team has a total Elemental Burst cost of 320 units, the damage bonus from the passive would be 38.4% at Refinement Rank 1, and an impressive 76.8% at Refinement Rank 5. It’s crucial to remember that this “Energy capacity” refers specifically to the Energy cost of Elemental Bursts, not Energy Recharge.

Acquiring the Akuoumaru

Obtaining the Akuoumaru claymore is a bit different from many other weapons, as it’s a limited-time weapon. You can only get your hands on this powerful two-handed sword through the weapon banner known as “Epitome Invocation,” or in Russian, “Воплощение божества”. Unfortunately, you won’t find it in the standard “Wanderlust Invocation” banner, nor can it be crafted by a blacksmith in the game. Historically, Akuoumaru has been featured in specific patches, making appearances in versions 2.2, 2.5, and 3.3.

When you’re trying to pull for Akuoumaru on a limited-time weapon banner, it’s important to note that while there’s an increased drop rate for featured 4-star weapons (75% chance for a featured 4-star after 10 pulls), you’re not guaranteed to get Akuoumaru specifically. The banner usually features multiple 4-star weapons across different types (like a sword, catalyst, polearm, and bow). Unlike 5-star weapons, you cannot chart an “Epitomized Path” for Akuoumaru, meaning its acquisition largely comes down to luck.

Ascending and Refining Akuoumaru

To truly unleash the full potential of Akuoumaru, you’ll need to ascend it through multiple phases and also refine it. Ascension involves gathering specific materials. For instance, to fully ascend the claymore, you will require 605 units of Mystic Enhancement Ore, in addition to other specialized materials.

The primary materials needed for ascension include:

In addition to farming these materials from their respective enemies and domains, you can also acquire Handguards and Talons by purchasing them with Stardust or by crafting them using Alchemy.

When it comes to enhancing Akuoumaru’s passive ability, this process is called refinement (or awakening). To raise its refinement rank, you’ll need to obtain duplicates of the weapon itself. This means you’ll have to pull more Akuoumaru claymores from the same limited weapon banner where you initially acquired it. Each duplicate increases the weapon’s passive bonus, making its Elemental Burst damage buff even stronger.

Who Best Wields the Akuoumaru?

The Akuoumaru is particularly well-suited for characters who rely heavily on their Elemental Burst to deal significant damage. It also benefits characters who have strong Normal and Charged Attacks, as the weapon’s Attack percentage substat will greatly improve their overall damage output. When considering potential wielders, it’s essential to look at the Energy cost of their Elemental Bursts and those of their teammates, as this directly impacts the weapon’s passive effect.

Here are some characters who can make excellent use of Akuoumaru:

Character	Role / Element	Synergy with Akuoumaru	Notes
Eula	5★ Cryo Main DPS	Burst costs 80 Energy; benefits greatly from ATK substat and Burst DMG boost	Especially strong at R3+; synergizes well with Raiden for ER and high team cost
Chongyun	4★ Cryo Sub-DPS/Support	Burst-focused build benefits from weapon’s passive and ATK substat	Enhances total Burst damage effectively
Beidou	4★ Electro Sub-DPS	80-cost Burst gets large DMG boost; ATK% increases overall damage	Works well with Emblem of Severed Fate; ER requirements must still be balanced
Xinyan	4★ Pyro Burst DPS	Good for Burst-caster builds, especially at C2 for guaranteed crit	Critical synergy with her Burst; niche but effective use
Dehya	5★ Pyro Burst DPS	Excellent Burst synergy; ATK% benefits kit	R2–R5 performs better than many 4★/5★ options for Burst builds; Beacon of the Reed Sea still ~10% stronger overall
Diluc	5★ Pyro Main DPS	Solid option for overall damage	Not BiS but works as a reliable alternative

While Akuoumaru is fantastic for Elemental Burst-focused characters, it’s generally less ideal for those whose Elemental Bursts transform their Normal Attacks, such as Razor or Itto, as the weapon’s passive does not increase Normal Attack damage in such cases. For other characters, including Diluc and Razor, there might be more fitting weapon options available.

Maximizing Akuoumaru’s Potential in Team Composition

To achieve the highest effectiveness from Akuoumaru, strategic team building is key. Since the claymore significantly boosts Elemental Burst damage, it shines brightest in the hands of characters whose primary damage output stems from their ultimate abilities. It’s also beneficial for the wielder to have a sufficient amount of Energy Recharge to ensure they can use their Elemental Burst consistently as soon as its cooldown ends.

The most crucial aspect of optimizing Akuoumaru’s passive is carefully selecting your team members. You’ll want to prioritize characters who have costly Elemental Bursts, typically ranging from 40 to 90 Energy units. Characters like Raiden Shogun and Yae Miko, for example, possess some of the most expensive Elemental Bursts in the game, making them excellent companions for an Akuoumaru wielder.

However, remember that raw Energy cost isn’t the only factor; team synergy is equally vital. A well-balanced and harmonious team where Elemental Burst costs are around 60 Energy units can often outperform a mismatched group of characters who simply have 80-Energy Bursts but lack cohesion. Building a team that not only benefits Akuoumaru’s passive but also works well together to generate energy and set up reactions will lead to much higher overall results.