Firefly Build Guide
Best relics, light cones, team compositions & trace priority for Honkai Star Rail 4.0 (February 2026)
📖 Firefly Overview
Firefly is a 5-star Fire Destruction DPS dealing massive Break DMG in Complete Combustion state. Applies Fire Weakness to any enemy through Ultimate. Scales from Break Effect and ATK, not CRIT.
Element
Fire
Path
Destruction
Rarity
★★★★★
Tier
S+
⚔️ Skills Breakdown
Basic Attack
Deals Fire DMG.
Skill
In Combustion: massive Fire Break DMG to single target.
Ultimate
Enters Complete Combustion. Applies Fire Weakness. Restores HP.
Talent
Converts Break Effect to Super Break DMG up to 360%.
Technique
Starts with energy for faster Ultimate.
🛡️ Best Relics & Planar Ornaments
Relic Sets
🏆 Best in Slot
Iron Cavalry Against the Scourge (4pc)
Alternatives
Thief of Shooting Meteor (4pc)
Planar Ornaments
🏆 Best in Slot
Forge of the Falling Meteorite
Alternatives
Talia: Kingdom of Banditry
🔮 Best Light Cones
🏆 Best in Slot
Whereabout Should Dreams Rest (Signature)
Alternatives (ranked)
On the Fall of an Aeon (F2P), A Secret Vow (4★)
📊 Stat Priority & Main Stats
Body
ATK%
Feet
SPD
Sphere
ATK%
Rope
Break Effect
Sub-stat Priority
Break Effect > ATK% > SPD > HP%
Target Stats
360% Break Effect in combat, 2600+ ATK, 154 SPD with Ruan Mei
👥 Best Team Compositions
🏆 Optimal Teams
Alternative Teams
📈 Trace & Eidolon Priority
Trace Upgrade Order
Ultimate > Skill > Talent > Basic Attack
Eidolon Priority
E1 > E2
✅ Pros & Cons
✅ Pros
Universal Fire Weakness
Massive Break DMG
Self-sustain in Combustion
No CRIT needed
Strong F2P teams
❌ Cons
Minimal damage outside Combustion
Needs Break support team
SPD tuning critical
Ruan Mei dependent
💡 Tips & Tricks
360% Break Effect in combat for max Super Break.
154 base SPD with Ruan Mei = extra attack in Combustion.
Fugue replaced HMC as premium Break support.
❓ Frequently Asked Questions
What are the best relics for Firefly?
The best relic set is Iron Cavalry Against the Scourge (4pc) paired with Forge of the Falling Meteorite as the planar ornament. Alternatives include Thief of Shooting Meteor (4pc).
What is the best Light Cone for Firefly?
The best Light Cone is Whereabout Should Dreams Rest (Signature). Good alternatives include: On the Fall of an Aeon (F2P), A Secret Vow (4★).
What tier is Firefly in HSR 4.0?
Firefly is ranked S+ Tier in our Honkai Star Rail 4.0 tier list as of February 2026.
Is Firefly worth pulling?
As a S+ Tier Main DPS, Firefly is absolutely worth pulling and one of the best investments in the game.