Huohuo — Honkai Star Rail Character Guide

Overview

SP-positive sustain with AoE healing, debuff cleanses, 40% ATK buff, and 20% energy restoration on Ultimate. 3-turn Divine Provision and +24% ATK for 160+ energy allies make her best sustain for Elation carries. Core burst-damage weakness remains.

Wind Abundance sustain who combines strong AoE healing with Harmony-like offensive support. Skill heals a target and adjacent allies; both Skill and Ultimate now trigger Divine Provision, a passive healing state lasting 3 base turns that heals allies on turn start or Ultimate use (plus the lowest-HP ally) and cleanses debuffs. Ultimate restores 20% Max Energy to all other allies and grants 40% ATK for 2 turns; A4 adds an additional +24% ATK to allies whose Max Energy is 160 or higher, making Huohuo uniquely strong for Elation carries and other high-cost-Ultimate DPS. Manages a 140-Energy Ultimate cycle fueled by A2's 30 battle-start Energy and SPD-driven A6 trickle.

Key Mechanics

• Divine Provision now triggers on BOTH Skill and Ultimate casts (previously Skill only), and its base duration is 3 turns (previously 2). This allows a BA-BA-Skill rotation at E0 — effectively SP-positive for the team.
• Ultimate provides 20% Max Energy restoration to all allies. A4 adds +24% ATK for any ally with Max Energy 160 or higher (e.g., Sparxie, Yao Guang, Argenti, The Herta, Saber, Aglaea), stacking additively with the Ultimate's base 40% ATK for up to 64% total.
• Talent triggers now heal BOTH the ally taking action AND the lowest-HP ally — each receives the 4.5% + 120 heal independently. Improves emergency sustain without requiring allies to drop below 50% HP first.
• Debuff cleansing is extremely frequent — Skill cleanses 1 debuff on cast, and each Talent heal cleanses 1 debuff (up to 6 per cycle, resetting when Divine Provision is refreshed by Skill or Ultimate). This makes her the strongest anti-debuff sustain in the game.
• Requires Energy Regen investment (119%+ from rope and/or LC) to reach consistent 2-turn Ultimate rotations. A2's 30 battle-start Energy accelerates the first Ultimate significantly but still requires additional Energy from actions and LC to reach 140; not a guaranteed turn-1 Ultimate without Night of Fright.
• Core sustain weakness remains — Huohuo still cannot prevent one-shots or two-shots from modern burst bosses. Run Hyacine or Dan Heng Permansor Terrae when the DR/shield is more important than the ATK buff.

Best DPS Pairings

Black Swan (S), Silver Wolf LV.999 (S), Sparxie (S), Aglaea (S), Yunli (S), Jing Yuan (S), Serval (S), Dan Heng (S), Hysilens (A), Kafka (A), Herta (A), Phainon (A), Welt (A), Saber (A)

Investment Priority

1. LC S1 — Night of Fright S1 hits 2-turn Ultimate rotations with a standard ER rope, ensuring the 40% + 24% ATK buff uptime for Elation carries. With base kit now SP-positive at E0, the LC is the higher-leverage first investment.
2. E1 — Extends Divine Provision by 1 more turn (4 total), grants 20% Outgoing Healing, and buffs all allies' SPD by 12%. E1 is "nice to have" instead of mandatory post-buff — the base kit's 3-turn Divine Provision already solves SP economy.
3. E6 — Every heal grants the target +50% DMG for 2 turns. With Talent triggering on every ally turn, this is near-permanent uptime on every DPS — adding a Harmony-level offensive contribution on top of ATK/Energy support.

Best Relics

Recommended: warrior-goddess-of-sun-and-thunder with fleet-of-the-ageless

Stat targets: SPD 134-160, HP% 5600+, Energy Regen 119%+

Main stats: Body: Healing Boost / HP% · Feet: SPD · Sphere: HP% · Rope: Energy Regen

Important Notes

• Requires 143+ SPD or Energy Regen LC/rope for consistent 2-turn Ultimate rotation — without this, the 40% + 24% ATK buff uptime drops significantly and her energy battery role weakens.
• SP-positive at E0 post-buff (BA-BA-Skill rotation), but E1 extends Divine Provision further and adds team SPD — still worth pulling but no longer mandatory.
• Core sustain weakness remains: Huohuo cannot prevent one-shot or two-shot burst from modern bosses. Run Hyacine or Dan Heng Permansor Terrae instead when damage reduction matters more than ATK buffs.
• Not optimal for Break teams — Gallagher and Lingsha provide both Break-specific support and healing, making their slot more valuable than Huohuo's energy battery for Break DPS rotations.
• A4's 24% conditional ATK only activates for allies with Max Energy 160 or higher — excludes the majority of standard 120-140 cost carries, who only receive the base 40% ATK buff.