Firefly

Firefly is the standard-setting Break DPS, converting Super Break into enormous sustained damage.

HostedGG Team

Author · Updated Jun 21, 2026

Verifiedfor Version 4.3 (core roster)

Checked by HostedGG Team on Jun 21, 2026

Updated 3 months ago

Guide

Firefly

Path: Destruction
Combat Type: Fire
Rarity: 5★
Base HP: 814
Base ATK: 523
Base DEF: 776

Firefly redefined Break damage in Honkai: Star Rail. In her enhanced state she shreds enemy toughness and turns Super Break into huge, consistent damage, anchoring the dominant Break archetype.

How to Play

Pair Firefly with Ruan Mei and a Harmony: The Trailblazer enabler to maximize Super Break. A staple S-tier carry on the tier list.

Best Build

Light Cones: Whereabouts Should Dreams Rest (signature), or a Break Effect Destruction cone for SAM mode. Relic Set: Iron Cavalry Against the Scourge (4-piece). Planar Ornament: Talia: Kingdom of Banditry (2-piece). Main Stats: Body: ATK% or CRIT. Feet: SPD. Planar Sphere: Fire DMG. Link Rope: Break Effect. Substats: Break Effect, SPD, ATK%, EHR (to threshold).

Best Teams

Super Break: Ruan Mei, Harmony Trailblazer, Lingsha.
Break Control: Ruan Mei, Harmony Trailblazer, Gallagher.

Kit Overview

Skill: Enters SAM mode, gaining enhanced stats and a powerful Fire Weakness Break attack.
Ultimate: Enters Complete Combustion, boosting SPD, Break Effect, and Weakness Break efficiency.
Talent/Role: Break DPS that reduces enemy toughness and deals huge Super Break damage; converts Break Effect into damage.

Pros and Cons

Pros: Premier Super Break carry, strong self-sustain through healing, excellent toughness shredding. Cons: Reliant on the Harmony Trailblazer Super Break enabler, performance dips against high-toughness or Fire-resistant foes.