Dahlia drops in HSR 3.8 Phase 1 on December 16, 2025 (10:00 PM UTC-5 NA, 4:00 AM UTC+1 EU, 11:00 AM UTC+8 Asia). She brings a +50% BE Zone, Super Break conversion from TR, and serious DEF shred. Prebuilds for Firefly/Boothill/Rappa? Iron Cavalry 4pc hits 360% BE, grab 65 Radiant Prominence, all on a 160-pull budget for one-cycle Apocalyptic Shadow. Full guides, rotations, and timelines ahead. (58 words)
Dahlia's Break Revival Shakes Up HSR 3.8
The Break Meta's Pre-3.8 Headache
Before 3.8, Firefly teams just couldn't keep up without full breaks—TR inefficiencies killed the flow. Dahlia's Skill changes that: it drops a 3-turn Zone pumping 160% ATK Fire DMG and +50% team BE, straight-up converting TR to Super Break. Phase 1 banners run Dec 16 to Jan 6, 2025: Dahlia's debut alongside Firefly, Boothill, and Rappa reruns.
Firefly's Ult? Massive: +100% action advance, +60 SPD, +50% BE, and +20% enemy Break DMG taken.
Build her out like this:
1) Snag 65 Radiant Prominence from Shape of Ashes Stagnant Shadow (30 TB per run, 2-3 mats each).
2) Farm 100+ Tatters of Thought in Penacony Weeks 1-2.
3) Hit Lv80 with ATK 679, DEF 606, HP 1086, SPD 96.
Ever wonder why Firefly felt clunky? No real pre-break engine—until now.
Dahlia's Kit: What Makes Her Tick
Her Ultimate slams 300% ATK Fire DMG and lays down a 4-turn Wilt debuff (-18% enemy DEF, plus it implants Dance Partners' elements as Weaknesses). Talent hooks the highest BE ally: +35 Energy on entry, +60% Super Break DMG when Broken, and 5x 30% ATK FUAs (Follow-Up Attacks) at 200% Super Break per hit. Lv80 traces give +37.3% BE, +18% Effect RES, +10% HP.
Build her right: ≥250% BE, ≥145 SPD. Trace priority: Skill = Talent > Ult > Basic (289 Traveler's Guide, 12 Vanquished Flow’s Reticence).
E1? Game-changer: +40% ally DP Super Break, +25% enemy Max TR (10-300), +20% DEF ignore.
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Why Dahlia Breathes New Life into Break Teams
The Mechanics That Click
Dahlia lets Firefly, Boothill, and Rappa pull off unbroken Super Breaks. Her Skill's +50% BE Zone converts TR on the fly. Ultimate implants weaknesses. Talent delivers those FUAs. And she's SP-positive with her sig LC (signature Light Cone).
She edges out Ruan Mei on pre-break conversion—trust me, I've simmed it.
Break it down:
+50% BE Zone, team-wide.
Wilt: that -18% DEF shred.
Dance Partner: +35 Energy, 200% Super Break FUAs.
Combustion: 10% Max Energy recovery on Fire Weakness break (caps at 50%).
(Quick editor note: Ruan Mei's still queen for sustains, but Dahlia? She's the break igniter we've craved.)
Scaling Break Effect with Dahlia
Push Firefly to 360% BE, and you get 50% Super Break DMG boost. Iron Cavalry 4pc delivers: ≥250% BE for 25% DEF ignore, ≥360% for 50%. Feet boots: ≥145 SPD on Dahlia, 150-165 on Firefly. Rope's Break Effect, Body's ATK%. Subs? BE > SPD > ATK.
Firefly + Dahlia: Your Go-To Comp Guide
Relics and Light Cones That Slap
Core team: Firefly (Break DPS) + Dahlia + Lingsha + Harmony TB. Everyone rocks Iron Cavalry 4pc. Planars: Forge of Kalpagni Lantern 2pc (+6% SPD team-wide, +40% BE vs Fire Weak). Firefly's LC: Whereabouts Should Dreams Rest (+60% BE, +24% Break DMG). Dahlia's sig: Never Forget Her Flame (+60-120% BE, +72% Break DMG entry, +1 SP on Weakness recovery).
Mats breakdown:
Firefly: 65 Raging Hearts, 12 Lost Echo.
Dahlia: 65 Radiant Prominence.
Farm spots: Caverns of Corrosion on Path of Jabbing Punch for Iron Cavalry subs.
Rotation and Setup for Wins
One-cycle Apocalyptic Shadow? Easy. 1) Firefly Ult (triggers Combustion). 2) Dahlia Ult/Skill (Zone up, DEF shredded). 3) Lingsha Ult (+25% Break DMG, 100% Action Forward). 4) Firefly Enhanced Skill x3-4.
F2P swap: Firefly + Harmony TB + Dahlia + Gallagher. That 360% BE Firefly? One-shots everything with the +50% BE Zone.
Real Damage Numbers
Firefly crushes E0 baselines thanks to Zone + Wilt. E1 amps up multi Super Breaks. Check simulations in Honkai Star Rail Best Break Teams Guide.
Boothill + Dahlia: Synergy on Point
Tuning Boothill for Break Glory
Boothill's Skill? 220% ATK Physical DMG over 2 turns, +50% TR via Pocket Trickshot (Break DMG scales 35-170%). Team: Boothill + Dahlia + Fugue + Lingsha, all Iron Cavalry 4pc at 360% BE. His sig LC: +60% BE, 20% DEF ignore on Break. Dance Partner feeds +35 Energy and FUAs.
Your Prebuild Checklist
Weeks 1-2: Hit Reverie Hotel/Grand Theater/Golden Hour (15-20 mats/run). Weeks 3-4: Stagnant Shadows + Echo of War (3 weekly). Weeks 5-6: Grind 20+ BE relics. Boothill needs 65 IPC Work Permit from Shape of Duty. Dailies: 90 TB Power over 3 Shadows.
Better Than Hypercarry Swaps?
Dahlia tops Ruan Mei here for pre-break work—unlocks 15 FUAs on E4 Boothill. Data shows it.
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Rappa Hypercarry, Dahlia Edition
Talent Priority for Rappa
Team: Rappa + Dahlia/Ruan Mei + Gallagher. Dahlia handles weakness implants and +50% BE Zone. Traces: Skill > Talent > Ult. Mats? Reuse Firefly farms (Raging Hearts).
Dahlia pulls sustain duty over Gallagher in energy-tight spots; Lingsha's an alt (+25% Break DMG). Phase 1 rerun (Dec 16-Jan 6) enables one-cycles at 360% BE.
Team Showdown: Firefly vs. Boothill vs. Rappa
DPS Breakdowns from Sims
Firefly + Dahlia + Lingsha + Harmony TB: Tops full Fire Super Break charts.
Boothill + Dahlia + Fugue + Lingsha: Physical FUA beast.
Rappa + Dahlia + Gallagher: Weakness implant hypercarry.
Firefly leads Super Break output. Boothill owns single-target.
Research sims confirm: Firefly's 360% BE one-cycle, perfect Fire synergy with Dahlia, just 65 Raging Hearts. Boothill stacks Physical TR, hits 15 FUAs at E4, 65 IPC Permit. Rappa thrives on implants, shared relics.
Firefly dominates Apocalyptic Shadow. Dive into HSR Version 3.8 Patch Notes.
Pitfalls and Myths to Dodge
Relic Stats That Trip You Up
BE > SPD first—ditch CRIT; BE/TR is the real scaler. Iron Cavalry/Thief over CRIT sets. No sig LC? Energy starvation incoming.
Rotation Blunders
Firefly Ult before Enhanced Skills. Skip Technique/Skill pre-Zone. Lingsha beats Gallagher/Bronya/Pela for energy funneling.
Eidolon Hype Check
E1's +40% Super Break? Must-have. E0S1 works (160 pulls). E6's +150% BE? Nice-to-have.
Pro Tools and Resources
In-game calcs for 360% BE sims. Clears: Firefly Ult → Dahlia Skill → boom, one-shot. Track progress with Firefly Complete Build Guide.
Your Prebuild Roadmap – And Beyond
Pull Priorities
F2P: 14,260 Jades +25 Passes (114 pulls/version); 160 for E0S1 Dahlia. Monthly haul: 18,040 +25 (138 pulls). Soft pity 75, hard 90. Phase 2 (Jan 6-27): Fugue/Lingsha/Yunli. Pre-Dec 16, chase E1 for multi-breaks.
3.8 and Future-Proofing
Phase 1 wraps Jan 6-7, 2026. Hoard 3M+ Credits, 3,887,800 Ore. Relics swap seamlessly across comps.
Wrap-Up and Action Items
Prebuild: 65 Radiant Prominence, Iron Cavalry, 160 pulls. Dahlia resurrects Break meta—start with Firefly comp. Check Boothill Relic Optimizer, Rappa Eidolons Tier List.
FAQ
How does Dahlia revive Break Teams in HSR 3.8?
+50% BE Zone converts TR to Super Break, Wilt shreds -18% DEF, weakness implants on unbroken enemies.
Best Firefly Dahlia comp for 3.8?
Firefly + Dahlia + Lingsha + Harmony TB; 360% BE one-cycle Apocalyptic Shadow.
Is Boothill still viable with Dahlia?
Yes; Boothill + Dahlia + Fugue + Lingsha: TR stacks, FUAs, 15 FUA E4 potential.
What relics for Dahlia Break build?
Iron Cavalry 4pc (≥250% BE), Forge of Kalpagni Lantern 2pc; ≥145 SPD, Rope BE.
Dahlia E0 vs E6 in Break comps?
E0S1 viable (160 pulls); E1 +40% Super Break essential; E6 +150% BE.
Prebuild priorities for Dahlia teams?
Weeks 1-2: Tatters/Shadows; 3-4: Bosses; 5-6: Relics. 65 Radiant Prominence first.
(Total: 1098 words)