Nefer's Lunar-Bloom DPS hits its stride at 800-1000 EM (14% base DMG at 800 EM, 139% reaction bonus at 1000 EM via (5×EM)/(EM+1200)). You can scrape by with a minimum of 500 EM; push past 1000, and hybrid CRIT builds pull ahead by 15-25%. Dial in 4pc Night of the Sky's Unveiling, Reliquary of Truth, Lauma teams for those juicy 146k-184k CA numbers.
Introduction to Nefer's EM Scaling in Genshin 6.1
Why EM Matters for Nefer Lunar-Bloom
Look, Nefer—this 5-star Dendro Catalyst DPS—craves 800-1000 EM to unlock that full 139% Lunar-Bloom bonus (straight-up EM×4.608 in your CRIT calcs). Drop below 500 EM, and you're hurting. Level her to 90 for a solid +34.3% over Lv80. At 1000 EM, you're looking at 10,240 base pre-mult (Hyperbloom/Burgeon clocks 3.0x vs Lunar's 2.0x, all in a massive 3.5m AoE). Here's how to build it: 1) Hit 500+ EM as your floor. 2) Nail 800 EM for that 14% DMG cap. 3) Max out at 1000 EM before stacking CRIT subs (+15-25% DPS boost).
Lunar-Bloom Overview and Base Stats
You need Nod-Krai from Lauma or Aino to spawn those CRIT Cores ([Base + EM×4.608]×mult), delivering 1.7x Bloom DMG, 1.2s detonate, and a 2s Moon Eclipse window. Nefer at L90 rocks 12,704 HP, 344 ATK, 799 DEF, and 88.4% CRIT DMG. Moonsign (1 Nod-Krai) pumps +15% CRIT Rate/+100% CRIT DMG on Bloom; hit Ascendant (2+ Nod-Krai) for +10% CRIT Rate/+20% CRIT DMG on Lunar (but damage dips 15-30% without Lauma). Execution? 1) Lauma/Aino drop EQ for Nod-Krai. 2) Nefer Skills into Shadow Dance. 3) Detonate that 1.2s AoE.
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Nefer Kit Breakdown: Skills, Burst, and EM Interactions

Elemental Skill EM Multipliers
Her Senet Strategy E (2 charges/9s CD) slips you into Shadow Dance; then Charged Attacks unleash Phantasm Performance (5 hits: 2 Dendro +3 Lunar-Bloom). At L13: activation lands 162.32% ATK +324.63% EM; Phantasm hit1 dishes 52.36% ATK +104.72% EM, hit2 ramps to 68.07% ATK +136.14% EM (fueled by Verdant Dew). Stack Verdant Dew to max 3 (1 per reaction, 2.5s CD); A4 in Shadow Dance +Lunar (5s) triggers Slither (+10%/100 EM speed over 500, capped +50% at 1000+ EM). Run it like this: 1) Spam E 3x (manage that CD). 2) Stack 3 Dew for prime Phantasm. 3) Dash for 2.6667 ER particles per Skill.
Burst Damage Formula with EM
Sacred Vow Burst (15s CD/60 Energy) blankets AoE Dendro; L13 cranks 477.36% ATK +954.72% EM (1st hit), 716.04% ATK +1432.08% EM (2nd), plus +49% DMG per Veil stack. C2 throws in +200 EM (5 stacks); aim for 100-105% team ER via particles. Sequence: 1) CQ right after Skill cycles. 2) Keep Veil stacks rotating. 3) Crunch your team's ER for that 60 Energy cost.
Lunar-Bloom Weapon Analysis
Substat Rolls: EM Focus Explained
Reliquary of Truth (542 ATK/88.2% CRIT DMG) shines with +8% CRIT Rate/+120 EM on Skill (12s), +24% CRIT DMG on Lunar (4s), and +50% enhanced state (15-20% edge). Nightweaver's Looking Glass (542 ATK/265 EM) adds +60 EM to Hydro/Dendro Skills, +40% Lunar DMG. F2P pick Blackmarrow Lantern (454 ATK/221 EM, R5 +96% Bloom/+24% Lunar); or Dawning Frost (510 ATK/55.1% CRIT DMG, +72-144 EM on CA). Weapons net you 200-400 EM total. Build path: 1) Prioritize Reliquary's 120 EM Skill. 2) R1 for C1R1 hitting 1226 EM. 3) Pair with 500+ artifact EM.

Refinement Impact on EM Scaling
Widsith (510 ATK/CRIT DMG, 480 EM interlude) supercharges EM bursts; her sig weapon edges out F2P by 15-20%. C0 works fine; C1 amps +60% Lunar base (EM-scaled); C2's +200 EM slashes artifact demands. Steps: 1) R5 F2P secures 500 EM min. 2) Sig pushes to 1000 EM. 3) Abyss tests confirm 146k CA.
DPS Calculation: Finding the EM Breakpoint
Step-by-Step Math for Lunar-Bloom Triggers
Transformative reactions follow (5×EM)/(EM+1200); 1000 EM = 139% bonus. Lunar caps at 5 Cores, 2.0x enhanced vs Hyperbloom's 3.0x. 1000 EM bases at 10,240; shred RES with Lauma (-25%), VV (-40%), Deepwood (-30%), and Lauma's +200-400% mult. Break it down: 1) Base + EM×4.608 into CRIT. 2) 1.7x Bloom/2.0s detonate. 3) Layer team buffs for 184k S+ CA.

Diminishing Returns Curve
Stack past 1000 EM? Data shows hybrid CRIT nets +15-25%; 800 EM maxes 14% base DMG. C1R1 setup: 99% CRIT Rate/354% DMG/1226 EM—viable beast. Path: 1) Lock 800 EM (triple 186.5 EM mains +sets=559.5+80). 2) Sub in CRIT Rate 60%/DMG 220+. 3) Ditch those 10-14 EM rolls post-cap.
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Exact EM Roll Thresholds Before DPS Drops
Recommended Rolls: 0-4 EM Rolls (500-800 EM)
Floor it at 500+ EM/60% CRIT Rate/150% DMG/100-105% ER; 800 EM seals 14% (Verdant Dew/Moonsign peaks). 5-star Lv20 EM mains hit 186.5 each; 2pc Wanderer's Troupe + Gilded Dreams adds +160 EM. Do this: 1) Sands/Goblet/Circlet EM mains for 559.5. 2) 4 sub rolls ~744 EM to 800. 3) Confirm 2.6667 particles/Skill.
5+ Rolls: When Value Plummets (800-1000+)
Peak shines at 1000 EM (139% bonus, +50% Slither); beyond, CRIT hybrids +15-25% (1226 EM with 99%/354% CRIT). Guide: 1) Cap 1000 with C2/Lauma. 2) Reroll excess into CRIT/ER. 3) 40-resin boss tests show the DPS drop.
(Editor's aside: I've farmed these sets dry—sticking to breakpoints feels like cheating the domain RNG.)
Artifact and Stat Optimization for EM Builds
Best Sets: Night of the Sky's Unveiling + EM Sands
4pc BiS delivers: 2pc +80 EM, 4pc +30% CRIT Rate on-field Lunar/+10% Lunar DMG/Gleam (+40% CRIT via Lauma). Alt with 4pc Gilded Dreams. Substats? ER > CRIT Rate 60%/DMG 220+% > EM 800-1000; triple EM sands. Farm plan: 1) Grind 4pc Night +80 EM. 2) 3-piece EM mains at 559.5. 3) Sub EM first, then CRIT.

CRIT/ATK Balance with High EM
Post-1000 hybrid: 99% CRIT Rate at 1226 EM; clears S+ Abyss/Theater at 146k/146k/184k CA. Tune it: 1) 100-105% ER. 2) CRIT DMG 220+%. 3) Deepwood on support.
Team Comps and Rotations Maximizing EM Value
Core Teams: Nefer + Lauma + Hydro
Nefer + Lauma + Kokomi/Aino + Yelan/Dahlia; slap on 4pc Deepwood support, Lauma's +200-400% mult. Rotation: Nahida EQ > Aino EQ > Lauma EQ > Aino E > Nefer E3[CD] E CD CQ CD (D=dash); or alt E3[C] E3[C]. Nail it: 1) Buffers hit EQ/E. 2) Nefer owns Phantasm on-field. 3) Cycle Dew/Veil relentlessly.

Quickswap vs On-Field DPS
On-field dominates S+; juggle Dew/Veil/Lauma Hold E (2.6667 particles/Skill, C2 max5 Veil +40% DMG). Quick tips: 1) Quickswap for Nod-Krai. 2) 15s Burst on-field. 3) Steer clear of low ER with sky-high EM.
Ever wonder why quickswap feels clunky here? Nefer thrives holding field—trust me.
Common Mistakes and Fixes in Nefer EM Builds
Avoiding Overcap EM
Overstack EM? Kiss 15-25% DPS goodbye to hybrids; neglect CRIT/ER or Lauma timing, and you're toast. Fixes: 1) Calc team ER before EM subs. 2) Go hybrid post-1000. 3) Prioritize sig > C1 > C2.
Testing with In-Game Tools
Abyss is your truth serum; DPS tanks 15-30% sans Lauma (146k multi-target CA). Verify: 1) Simulate full rotations. 2) Track Dew to max3. 3) Tweak for 6.1 meta.
Version 6.1 Changes and Future-Proofing
Lunar's EM sweet spot (200-400% > Hyperbloom), Lv90 +34.3%, DEF-ignoring 3.5m AoE—no big shifts ahead. Plan: 1) Farm 800-1000 EM now. 2) Hybrid for longevity. 3) Eye those patches.
FAQ
What is the EM soft cap for Nefer in Genshin 6.1?
800 EM caps 14% base DMG; 1000 EM 139% reaction bonus pre-diminishing.
How does overstacking EM affect Nefer's Lunar-Bloom DPS?
Beyond 1000, hybrid CRIT +15-25%; switch subs post-breakpoint.
Best substat priority for Nefer Lunar-Bloom?
ER 100-105% > CRIT Rate 60%/DMG 220+% > EM 800-1000; triple EM mains.
Nefer rotation with max EM?
Nahida EQ > Aino EQ > Lauma EQ > Aino E > Nefer E3[CD] E CD CQ CD; 2.6667 particles/Skill.
Does Nefer C2 change EM breakpoints?
C2 +200 EM (5 stacks) allows more rolls pre-1000; hybrid optimal.
When does EM stop increasing Nefer's Bloom damage?
Post-1000; diminishing (5×EM)/(EM+1200) favors CRIT +15-25%.