Genshin Durin Build: 140-180% ER & 1000 EM for 25%+ DPS Boost

Introduction to Durin and Luna III Synergy

Durin Character Core Facts and States

Durin ramps off ATK (ascends CRIT DMG) as an off-field sub-DPS. Light state? Shreds enemy Pyro/reaction RES by 20%—jumps to 35-75% with Hexerei/Magic. Dark state amps Vape/Melt DMG +40% (70% with 2+ Hexerei). Burst costs 70 Energy on an 18s CD; Skill refunds 33e/6s on swap-in.

Light mode: Spam Skill for AoE RES shred on Burning/Overload/Pyro Swirl/Crystallize (lasts 6s). Dark: Normal Attack after Skill applies Pyro every 1.25s (20s window). Rotations? Dark single-target: Skill > NA > Burst (12-15 particles). Light AoE: Double E + Q. Push ATK to 2500+ for that A1 passive (+1% Burst DMG/100 ATK, caps at 25%).

Luna III Release and New Artifacts

Version 6.2 Luna III hits Dec 3, 2025. Durin's Phase 1 pairs with Venti, plus 4★s Jahoda/Faruzan/Bennett. New toys: Night of the Sky's Unveiling—2pc gives +80 EM; 4pc pumps +15-30% CRIT Rate on Lunar Reactions (4s stacks). Silken Moon's Serenade: 2pc +20% ER; 4pc shares 60-120 EM party-wide.

Night 4pc math at 1000 EM/70% CRIT Rate? Lunar-Bloom crits land 68,812 DMG ([Base + (EM × 4.608)] × multipliers). Farm those EM subs on Sands/Goblet. Genshin Optimizer's your best friend for nailing that 25%+ DPS sweet spot between EM and CRIT.

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Core Damage Formulas: Crit Rate vs EM

Base Damage and CRIT Expected Value Math

Core formula: Damage = [ATK × Talent% × (1 + DMG Bonus%) × CRIT DMG% × RES Multiplier] × Reaction Multiplier. Aim 1:2 CRIT—60-70% Rate, 150%+ DMG (max subs roll 2.7-3.9% Rate, 5.4-7.8% DMG). Solid piece? ≥20% CRIT DMG or ≥10% Rate at +12. Fodder dies by +3 with no subs. Prioritize multisub over perfect mainstats every time.

Below 60% Rate? Stack Rate. Over 70%? Go DMG. Simple.

EM Role in Reactions for Durin

EM goals: 1000 for amplifying (Vape/Melt, especially Dark's +40-70%); 800-1000 transformative (Hyperbloom/Overload). Ditch CRIT Rate for EM when it nets 25%+ DPS in reaction squads. Amplifying reactions? EM edges CRIT on Vape/Melt (thanks, Dark app). Transformative? EM crushes CRIT (Hyperbloom ignores it anyway).

Lunar calc: [Base + (EM × 4.608)]. Start 100-200 EM + CRIT, climb to 1000. Stat order: CRIT Rate/DMG > ATK% > ER > EM; flip EM > ER for amp reactions.

When Is Trading Crit Rate for EM Worth It?

Breakpoint Analysis and Thresholds

Trade when reaction multi > CRIT value: Vape/Melt (Dark), or any transformative. Sweet spot: 1000 EM, 60-70% CRIT Rate. ER breakpoints—140% (Dark+Bennett), 180% (Light solo). Favonius shaves 20-40%, bumps +6% DPS (swap ER Sands to CRIT/EM). Hit 2500+ ATK first, then excess CRIT.

Quick check: 160% ER with Bennett guarantees 100% uptime (60% off-field buffer covers 70e/18s). Emblem 4pc? +75% Burst DMG at 300% ER (2pc +20% ER, 60% efficiency).

Boom.

Scenario 1: Vape/Melt Teams (Dark State)

Dark state flips the script—EM > pure CRIT (+40-70% DMG). Subs: ER > CRIT > ATK% > EM. DPS example: Athame Artis (608 ATK, 33.1% CRIT Rate) hits 29,702 (104% over Wolf-Fang's 26,717). Roadmap: 1. Lock 140-160% ER. 2. Stack 1000 EM. 3. Drop 10% Rate for 200 EM = 25%+ gain.

(Pro tip from the editor: I've simmed this in Optimizer—it's not hype, it's math.)

Scenario 2: RES Shred/Overload (Light State)

Light? Stick CRIT for that 20-75% RES shred. Teams like Overload (Varesa/Fischl/Durin/Chevreuse) or Burning (Kinich/Durin/Emilie/Bennett). Triggers on Burning/Overload/Pyro Swirl/Crystallize (6s). Steps: 1. 160-180% ER. 2. 60-70%/150%+ CRIT. 3. EM only if reactions demand it.

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Artifact Main Stat and Substat Priorities

Emblem of Severed Fate as Best Set

4pc Emblem tops Noblesse > Crimson Witch > 2NO+2CW. ER base 100-120% (higher solo Pyro); total 140-180%. Mains: Sands ATK%; Goblet Pyro DMG%/ATK% (if ATK≥2500); Circlet CRIT Rate/DMG. Subs: CRIT > ATK% > ER (130%) > EM; EM > ER for amp. Marechaussee Hunter shines alt for Furina NA/CA teams.

Data dive:

• 4pc Emblem: +20% ER 2pc, +75% max Burst DMG.
• 4pc NO: Team ATK+20%.
• 4pc CW: +15% Vape/Melt.

Substat Optimization Steps

Max rolls: Low CRIT Rate for EM if >25% DPS gain. 1. 12-15 particles/rotation (Skill 3 +1.8 off-field at 100% ER). 2. Genshin Optimizer target: 2500 ATK, 1000 EM, 1:2 CRIT. 3. F2P hack: 160-180% ER on Favonius/Emblem + Bennett (20-40% cut). Talents: Burst ★★★★★, Skill ★★★★☆, NA ★★★ (Lv.10 Skill +33e/switch).

Common Mistakes and Optimization Tips

Pitfalls in Stat Trading

Don't: CRIT on transformative (Hyperbloom); >300% ER waste; ER starve in Dark; skip synergy. ER math: Base + Sands 51.8% + 2pc 20% + subs; add 10-15% buffer. Fixes: 1. Bennett ER slash. 2. 1:2 +1000 EM reactions. 3. C6 for +19% support/50% DPS. Mats: Cyclic Military Kuuvahki Core, Frostlamp Flower.

Ever chased perfect rolls and benched the piece anyway?

Weapon and Team Synergies

Athame Artis reigns: Burst CRIT DMG+32%, team ATK+75% Hexerei; frees CRIT for EM swaps. Teams: Overload Varesa/Fischl/Durin/Chevreuse (EM/CRIT mix); Burning Kinich/Durin/Emilie/Bennett. Lauma alt: 800-1000 EM, 60-70% CRIT Rate, 180-200% ER.

FAQ

What are Durin ideal stats in Luna III?
2500+ ATK, 1000 EM (reactions), 60-70% CRIT Rate, 150%+ DMG, 140-180% ER.

When to trade CRIT Rate for EM on Durin?
Vape/Melt (Dark +40-70%) or transformative; 25%+ DPS at 800-1000 EM.

Best artifact set for Durin Burst uptime?
4pc Emblem of Severed Fate: +20% ER 2pc, +75% Burst DMG at 300% ER.

Durin ER breakpoints?
140-160% Dark (w/Bennett), 160-180% Light; +10-15% buffer.

Luna III artifacts for Durin?
Night of the Sky's Unveiling: +80 EM 2pc, +15-30% CRIT Rate 4pc Lunar Reactions.

Best weapon DPS for Durin?
Athame Artis: 29,702 DPS (608 ATK, 33.1% CRIT Rate, Burst synergies).