Hysilens vs Firefly Pure Fiction 3.8: 85-95% F2P C

Diving into Hysilens vs. Firefly for Pure Fiction 3.8

The Pre-Dahlia Setup

Pure Fiction loves AoE, Break, and DoT – those endless wave respawns demand it. Version 3.8 hits Dec 16, 2025. Hysilens (launched 3.5, Aug 12-13, 2025) is SS-tier DoT; Firefly sits at T0.5 Break with 95%+ clears. DoT sidesteps 20% All-Type RES; Break crushes Toughness for Super Break.

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Hysilens Breakdown: Kit and Why She Pops Off

Official artwork of Hysilens from Honkai: Star Rail

Her Core Kit

Talent dishes non-Bleed DoT at 25% ATK/turn (stacks to 2 turns max), plus Bleed for 20% enemy Max HP (capped at 25% ATK). Ult? A 3-turn Zone that slashes enemy ATK by 15% and DEF by 25%, plus 200% Phys AoE and 80% Phys DoT per trigger (max 8/turn). Aim for 134/160 SPD, 3600+ ATK, 120% EHR to land A6's +90% DMG.

Crushing Pure Fiction Waves

That Zone+AoE combo? Perfect for multi-enemy spam. DoT scales beautifully against beefy HP bars. Benchmarks: MoC clears in 7.22-8.67 cycles (top 4 DoT at 8.22%). Build path: 1) 4pc Prisoner (+12% ATK, ignore 6% DEF/DoT up to 18%); 2) Body EHR, Feet SPD/ATK%, Sphere Phys DMG%, Rope ATK%; 3) Subs: EHR > SPD > ATK%.

(Quick editor note: I've seen Prisoner sets turn average Hysilens runs into monsters – farm 'em hard.)

Firefly Unpacked: Kit and Break Dominance

Key Abilities

Official artwork of Firefly from Honkai: Star Rail

Ult Complete Combustion pumps +60 SPD (210 at 165 base), +50% Break Eff, and +20% enemy Break DMG taken. Enhanced Skill? 0.2×BE+200% ATK on main target + 0.1×BE+100% adjacent (360% BE cap), implants 2-turn Fire Weakness. Talent gives 40% DR under 20% HP; Ult advances 100%, recovers 10% Max Energy on Fire Weakness (cap 50%).

Tailored for Pure Fiction

Keep enemies Broken for Ult spam. Pair 360% BE with Iron Cavalry 4pc to ignore 10-25% DEF on Super Break (Module β: 35%/50% at 200%/360% BE). Clears: 85%+ F2P, 95%+ premium. Steps: 1) Hit 360% BE, 162 SPD (210 in Combustion); 2) Ruan Mei buffs → Ult → Enhanced Skill (E1 makes it SP-free, +15% DEF ignore); 3) Subs BE > SPD > ATK%.

Head-to-Head: Damage Output and Clear Speeds

Wave-by-Wave Breakdown

Firefly's Break stays consistent on weakness breaks and Toughness (90%+ clears). Hysilens ramps DoT over 2-3 turns, dominating high-HP or multi-foe setups. Hysilens + Kafka + BS + RM? 7.86 MoC cycles.

DoT Ramp vs. Break Burst – The Numbers

Damage comparison between Hysilens DoT and Firefly Break in Honkai: Star Rail

Hysilens: 120% EHR/ATK 3-3.5k, Ult max 8x80% ATK DoTs; stacks with Wind Shear/Burn/Shock at 25% ATK/turn.
Firefly: 360% BE + Iron Cavalry for +50% Super Break; 95%+ AoE/Break clears, edging Hysilens' niche.

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Optimal Hysilens Builds for 3.8 Pure Fiction

Relics and Planars

Prisoner relic set interface from Honkai: Star Rail

Iron Cavalry relic set for Firefly in Honkai: Star Rail

4pc Prisoner (99.31% usage rate). Alt: 2pc Revelry (+24% DoT at 3600 ATK). Path: 1) Farm Prisoner to W6; 2) Body EHR (120% total), Feet SPD 134/160; 3) Rope ATK%, Sphere Phys DMG%.

Light Cones and Priorities

Signature Why Does the Ocean Sing (+60% EHR, 80% Enthrallment +10-60% DoT taken, +20% ally SPD). F2P alts: Good Night And Sleep Well or Eyes of Prey S5 (+40% EHR/+48% DoT, 46.47% usage). Hit 110 ER (Skill 30 + A2).

Short and sweet: Prisoner. It's non-negotiable.

Firefly's Pre-Dahlia Builds That Slap

Relics and Planars

4pc Iron Cavalry (2pc +16% BE; 4pc ignores 10% DEF at ≥150% BE, +15% Super Break at ≥250% BE). Planar: Forge of the Kalpagni Lantern (+6% SPD, +40% BE on Fire Weakness) or Talia Kingdom (+16-36% BE at ≥145 SPD). Grind 20+ pieces.

Light Cones and Substats

Signature Whereabouts Should Dreams Rest (+60% BE, Routed +24% Break DMG taken/-20% SPD for 2t). F2P: On the Fall of an Aeon S5 (+16% ATK x4, +24% DMG post-break). Mains: Body ATK%, Feet SPD 165, Sphere ATK%, Rope BE%; Subs BE > SPD > ATK%.

Team Synergies That Carry

Hysilens Squads

Core: Hysilens + Kafka (SPD H+1 > Kafka's 156+ SPD/ATK2500+/75+% EHR, LC Patience Is All You Need) + Black Swan + Huohuo/Ruan Mei/Robin. F2P: Hysilens + Serval + Asta + Lynx or Triple DoT + Jiaoqiu/Guinaifen.

Firefly Crews

Firefly + Ruan Mei + Harmony TB + Gallagher (F2P 85%+ clears, SP-neutral). Alt: Firefly + Fugue + Ruan Mei + Imaginary TB. Rotations: Hysilens – Skill (Zone/SP) → 2-3 ally attacks → Kafka Skill/Ult; Firefly – Supports Ult/Zone → Ult → Enhanced Skill.

Pull and Level Priority: Who's First?

Eidolon Sweet Spots

Hysilens E1: +16% DoT/extra triggers. Firefly E1: Free Enhanced Skill/+15% DEF ignore; E2 extra turn; E6 +20% Fire RES PEN. F2P E0: 14,400 Jade (160 pulls).

Bang for Your Resources

Firefly E0 shines – 65 Raging Hearts/12 Lost Echo, daily 90 TB Shadows. Hysilens: 15x Fear-Stomped Flesh/65 Invasive Clot/12 Daythunder Anamnesis (3-4 weeks), Lv80/max Ult-Tal/120%EHR/S5 4*LC (6-8 weeks). Priority: Firefly > supports (Break); Hysilens > applicators > Kafka (DoT).

Pitfalls to Dodge and Pro Tips

Build Blunders

No <120% EHR (bye A6), skip <360% BE on Firefly, ditch non-DoT teams for Hysilens, ignore ER (110 Hysilens, 140 Kafka). Tips: Hysilens +1 SPD over Kafka; Traces: Hysilens Ult/Talent first, Firefly Ult > Talent > Skill=Basic (+50% BE).

One mistake I've fixed a dozen times: Low ER kills rotations dead.