Complete guide to Genshin Impact’s Black Erosion sword: stats, materials, and team optimization strategies
Weapon Overview and Leak Context


The Genshin Impact Luna III beta has unleashed a torrent of information about upcoming content, with trusted community leakers providing early insights into character kits, gameplay mechanics, and equipment details. Reliable sources including Hiragara_Leaks have confirmed weapon specifications for Durin’s signature armament, expected to debut during his featured banner in the forthcoming update cycle.
Credible intelligence from established leaker networks indicates Durin will wield a 5-star Sword-class weapon designated as Black Erosion. This premium armament appears specifically engineered to complement Durin’s combat style while offering versatile application across multiple sword-wielding characters in your roster.
Black Erosion Stats and Passive Analysis
At maximum ascension level, Black Erosion delivers impressive combat statistics alongside a sophisticated passive ability that enhances team-wide offensive capabilities:
This sophisticated passive mechanics system makes Black Erosion exceptionally valuable for sub-DPS characters who deploy their elemental bursts then rotate out. The weapon effectively transforms burst-focused sword users into potent ATK buffers while maintaining their personal damage contribution. For players building quickswap compositions or teams requiring frequent rotation, the consistent off-field buffing provides substantial value across multiple combat phases.
Team Composition Requirements
The weapon’s maximum potential hinges on activating the Arcane Rite status, which imposes specific party construction requirements that demand strategic planning:
Arcane Rite activation necessitates including at minimum two Hexenzirkel-affiliated characters in your active party. The current Hexenzirkel roster comprises: Venti, Mona, Klee, Albedo, Sucrose, Razor, and Fischl. This restriction significantly influences team building decisions and may require adjusting standard compositions to accommodate the necessary faction representatives.
For players unable to field two Hexenzirkel members, Black Erosion remains functional but operates at approximately 57% of its maximum buffing potential. In such scenarios, consider pairing the weapon with characters like Xingqiu, Bennett, or Kazuha who can provide complementary buffs to compensate for the missing Arcane Rite amplification. The weapon’s base CRIT Rate secondary stat ensures it remains statistically competitive even without optimal team synergy.
Ascension Materials Farming Guide
Preparing Black Erosion for combat requires collecting specific ascension materials across multiple domains and regions. The complete material requirements for maximizing this weapon to level 90 include:
Farming Efficiency Tips: Decarabian materials originate from the Cecilia Garden domain on Mondstadt’s Wednesdays, Saturdays, and Sundays. Frostnight components drop from the new Snezhnayan-themed domain expected in Luna III, while Drive Shafts are collected from clockwork meka enemies in Fontaine’s research facilities. For optimal resin efficiency, pre-farm Decarabian pieces during appropriate days while awaiting the new domain’s release. Group meka enemy routes in Fontaine’s Institute of Natural Philosophy region yield the highest Drive Shaft drop rates per minute of farming.
Advanced Optimization Strategies
Maximizing Black Erosion’s combat effectiveness requires understanding nuanced equipment pairing and rotation sequencing:
Artifact Synergy: Pair with 4-piece Emblem of Severed Fate for burst-focused builds or 2-piece combinations mixing Noblesse Oblige with attack-enhancing sets. Prioritize CRIT DMG and ATK% substats since the weapon provides substantial CRIT Rate inherently.
Rotation Planning: Deploy the Black Erosion user’s burst immediately before your primary damage dealer takes the field to ensure maximum buff uptime. The 12-second Daylight Blade duration typically aligns well with standard rotation cycles.
Common Mistakes to Avoid: Neglecting to include two Hexenzirkel members wastes 75% of the passive’s potential. Using the weapon on main DPS characters undermines its off-field buffing value. Failing to trigger the burst before switching squanders the ATK buff application to subsequent characters.
Advanced Technique: In quickswap compositions, consider using Black Erosion on a support character while building your main DPS with a different weapon, creating a “buffer carrier” strategy that maximizes team damage output through layered buff stacking.
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