Luocha is one of the most reliable and versatile healers in Honkai Star Rail, and he remains a strong sustain option in patch 4.3. A mysterious coffin-carrying merchant with superb medical skills, his greatest strength on the battlefield is what he does not take from his team — Skill Points. This Luocha build guide covers everything — best Light Cones, Relics, stat priorities, team compositions, and Eidolons — so you can get the most out of him in the current patch.

Table of Contents

TL;DR – Luocha Build Summary (4.3)

Luocha is a 5-star Imaginary Abundance healer whose healing scales entirely off ATK
Best Light Cone: Echoes of the Coffin (signature)
Best Relic Set: Messenger Traversing Hackerspace (2) + Musketeer of Wild Wheat (2) or similar ATK% mix
Best Planar Ornament: Sprightly Vonwacq or Space Sealing Station
Target stats: 3,000+ ATK, 134+ SPD
Best teams: HP-drain DPS like Castorice, Mydei, and Blade who trigger his auto-Skill frequently
His defining trait: fully SP-positive — he never competes with DPS for Skill Points
Trace priority: Skill > Talent > Ultimate > Basic ATK

Who Is Luocha in Honkai Star Rail?

Luocha is a 5-star character following the Path of Abundance with the Imaginary element. He is a blond-haired wandering merchant who carries a coffin on his back. As a member of the intergalactic merchant guild, he was caught up in the Xianzhou Luofu’s Stellaron crisis — and his superb medical skills proved invaluable.

On the battlefield, Luocha is the game’s premier SP-positive sustain. His Skill heals a single ally for a large amount and automatically re-triggers for free whenever any ally drops below 50% HP — with no Skill Point cost. The majority of his turns are spent using Basic ATK, which generates +1 SP. He essentially sustains the team entirely for free while feeding Skill Points to everyone else. No other S-tier healer does this.

His healing scales entirely off ATK, not HP or DEF — making him the only Abundance character in the game built like a DPS in terms of stat priority. His Field, deployed after earning 2 Abyss Flower stacks, heals the attacking ally on every hit, effectively giving the whole team lifesteal as long as enemies are being attacked.

Luocha received a significant meta boost in patches 3.x–4.x with the arrival of Castorice and Mydei — two HP-drain DPS characters who constantly trigger his auto-Skill, accelerating Abyss Flower stack generation and keeping Field uptime extremely high.

Luocha Skills and Abilities

Basic ATK – Thorns of the Abyss

Deals Imaginary DMG to a single enemy. This is Luocha’s default action for the majority of the fight. It generates +1 SP for the team, which is the foundation of his SP-positive identity. Do not spend Skill Points on Luocha unless it is a genuine emergency.

Skill – Prayer of Abyss Flower

Immediately restores a single ally’s HP equal to a percentage of Luocha’s ATK and grants Luocha 1 stack of Abyss Flower. The critical addition: whenever any ally’s HP falls to 50% or lower, this Skill effect is automatically triggered on that ally without consuming any Skill Points. This auto-Skill can only re-trigger once every 2 turns. The free proc is what makes Luocha special — it means the team is always covered even when Luocha is using Basic ATK.

Ultimate – Death Wish

Removes 1 buff from all enemies, deals Imaginary AoE DMG, and grants Luocha 1 stack of Abyss Flower. Costs 100 Energy. The buff dispel is a unique utility that no other healer in the game provides — it strips defensive buffs, DEF increases, shields, and other enemy bonuses. This alone gives Luocha a niche that newer healers cannot replicate.

Talent – Cycle of Life

When Luocha accumulates 2 stacks of Abyss Flower, he automatically deploys a Field. While the Field is active, any time an ally attacks an enemy within the Field, the attacking ally immediately restores HP equal to a percentage of Luocha’s ATK. The Field lasts 2 turns. This is essentially passive team-wide lifesteal — every offensive action heals the attacker. In teams with frequent attackers (follow-up attack characters, DoT detonators, HP-drain DPS), the Field heals enormously across the whole fight.

Technique – Mercy of a Fool

Always use this before entering combat. It immediately deploys the Field at the start of the next battle, without requiring 2 Abyss Flower stacks. This means Luocha enters every fight with maximum Field coverage from turn one — a significant boost to early-wave survivability.

Major Traces

Cleansing Revival (A2): When the auto-Skill is triggered, it removes 1 debuff from the ally it heals. This is an important cleanse effect — it fires passively whenever any ally drops below 50% HP without any action or SP from Luocha
Sanctified (A4): When any enemy in the Field is attacked by an ally, all other allies (not just the attacker) also restore HP equal to 7% of Luocha’s ATK plus a flat amount. This transforms the Field from single-target lifesteal into team-wide healing on every offensive action. A massive upgrade to his sustain ceiling
Through the Valley (A6): Luocha’s chance to resist Crowd Control debuffs increases by 70%. A quality-of-life trace that keeps him functional in fights with heavy CC, preventing him from being locked out of healing when the team needs it most

Luocha Best Light Cones (4.3)

1. Echoes of the Coffin (Best in Slot – Signature)

Luocha’s signature Light Cone and his definitive best-in-slot choice. It increases ATK by 24% — directly scaling every heal in his kit — and regenerates 3 Energy for each different target the wearer hits (stacking up to 3 per turn), enabling faster Ultimate cycling and more frequent buff dispels. After using the Ultimate, it grants all allies +12 SPD for 1 turn. This SPD bonus has surprising value in speed-sensitive teams and is a passive team buff that no other Light Cone on Luocha provides. Pull this first before investing in Eidolons.

2. Time Waits for No One (Solid Alternative)

A 5-star Abundance cone that boosts Outgoing Healing and Max HP, and additionally deals follow-up DMG when an ally is healed and already at maximum HP. The healing bonus is reliable and the follow-up damage provides minor offensive contribution. A strong choice if you already own it from other Abundance characters.

3. Post-Op Conversation (Best 4-Star)

The best accessible 4-star option for Luocha. It provides Energy Regeneration Rate, helping him cycle his Ultimate faster and maintain his buff dispel more consistently. After using the Ultimate, it restores HP to the ally with the lowest HP percentage. Clean, functional, and completely free from the standard banner pool.

4. Warmth Shortens Cold Nights (4-Star F2P)

Increases Max HP and restores a small amount of HP for all allies whenever using a Skill or Ultimate. Luocha’s auto-Skill does not consume Skill Points but still counts as a Skill trigger for this cone. A usable budget option, though Post-Op Conversation is generally better due to the Energy Regen benefit.

5. Multiplication (4-Star)

Provides ATK% that grows based on SPD. Since Luocha wants both ATK and SPD, this cone offers dual scaling in a single slot. A decent transitional option for players still building towards better alternatives.

Luocha Best Relic Sets (4.3)

Messenger Traversing Hackerspace (2) + Musketeer of Wild Wheat (2) – Best All-Round

The most reliable relic combination for Luocha in 4.3. Messenger gives +6% SPD, directly helping him reach higher action counts and trigger his Skill more often. Musketeer gives +12% ATK, scaling every heal in his kit. Together they cover both of his key stats without any conditional requirements. Easy to assemble from existing relic pools since Messenger is widely farmed for many support characters.

Musketeer of Wild Wheat (4-Piece)

A clean alternative if you prefer a single-domain 4-piece set. The full set gives +12% ATK (2-piece), +10% Basic ATK DMG, and +6% SPD (4-piece). Luocha’s Basic ATK becomes slightly more relevant here, though his damage output is never the priority. The 4-piece is slightly less flexible than the 2+2 mix in terms of piece quality, but perfectly viable.

2+2 ATK Mix Options

Any combination of 2-piece sets providing ATK% is workable for Luocha. Options include Prisoner in Deep Confinement (2) for +12% ATK or Passerby of Wandering Cloud (2) for +8% Outgoing Healing if you prefer to lean into healing output over stat scaling. Prioritise the best-statted pieces over the specific set bonus when mixing.

Luocha Best Planar Ornaments (4.3)

Sprightly Vonwacq (Best for Action Advance)

The recommended Planar Ornament for Luocha in most team contexts. It provides +5% Energy Regeneration Rate and, when Luocha’s SPD is 120 or higher at the start of battle, his action is advanced forward by 40%. Faster first action means he can use Skill or Ultimate before any ally drops low on HP at battle start, and the Energy Regen helps him cycle Death Wish more consistently.

Space Sealing Station (ATK Scaling Alternative)

Increases ATK by 12% and adds a further 12% ATK when SPD is 120 or higher. Since Luocha wants both ATK and SPD, this ornament is elegant — the SPD threshold is easily met, and the full 24% ATK bonus directly amplifies all of his heals. A strong choice for players who want maximum healing output rather than the Energy Regen and action advance of Vonwacq.

Penacony, Land of the Dreams (Niche Option)

Increases Energy Regeneration Rate by 5% and provides a DMG bonus to all allies of the same element as the wearer. Only useful if Luocha is paired with other Imaginary allies who benefit from the bonus. Situational — use Vonwacq or Space Sealing Station in almost all cases.

Luocha Best Stats and Substats (4.3)

Main Stats

Body: Outgoing Healing Boost or ATK%
Boots: SPD
Planar Sphere (Orb): ATK%
Link Rope: ATK% or Energy Regeneration Rate

Substat Priority

ATK% (highest priority — all heals scale with ATK)
SPD (reach 134+ to maximise action count and ensure he acts before teammates need healing)
Flat ATK (contributes meaningfully to healing output)
HP% (secondary survivability — helps him survive hits, especially as a solo sustain)

Luocha is the only Abundance character in HSR who builds like a damage dealer. Never invest in HP% or DEF% as primary stats for healing output — his heals do not scale with either. Target at least 3,000 ATK from all sources combined (base + gear + Light Cone + buffs). With his signature and well-farmed ATK pieces, this is readily achievable.

Luocha Best Team Compositions (4.3)

Best Team: Castorice, Tribbie, Sunday/Ruan Mei, Luocha

Castorice is Luocha’s ideal partner in 4.3. Her HP-drain mechanics constantly bring allies below the 50% HP threshold, triggering Luocha’s auto-Skill repeatedly and also generating Abyss Flower stacks at speed. This means near-permanent Field uptime without Luocha spending a single Skill Point. Tribbie amplifies the team’s damage. Sunday or Ruan Mei provide action advance and DMG amplification. Luocha keeps the whole team healthy through everything Castorice throws at them.

HP-Drain DPS: Mydei, Sunday, Tribbie, Luocha

Mydei is another natural partner. His constant HP consumption triggers Luocha’s auto-Skill and feeds Field stack generation. The Field’s per-hit healing is particularly valuable here — Mydei attacks frequently and heals himself through it on every action. Sunday and Tribbie round out the offensive side of the team.

Blade Team: Blade, Sunday, Tribbie/Ruan Mei, Luocha

Blade is one of Luocha’s most natural partners. Blade’s constant HP drain triggers the auto-Skill repeatedly, building Abyss Flower stacks passively while Luocha uses Basic ATK every turn. The Field heals Blade back up after each Forest of Swords cast, keeping him in a comfortable HP range while his damage accumulates. Luocha’s SP-positive nature is particularly valuable here since Blade himself never needs Skill Points, and Sunday and Bronya both appreciate a healer who generates rather than consumes SP.

SP-Hungry Teams: Any SP-intensive DPS + Bronya/Sparkle + Luocha

Luocha is the ideal sustain for teams that run Bronya or Sparkle as the action advance support. Both Bronya and Sparkle are SP-intensive, and every other healer in the game competes with them for points. Luocha generates SP instead of spending it. In these compositions, pairing him as solo sustain is not only viable — it is optimal.

Dispel Utility Teams

Luocha’s Ultimate removes a buff from all enemies — a unique ability in the current patch. This is especially valuable in content where enemies grant themselves DEF buffs, shields, or attack boosts mid-fight. No other healer provides this. In specific Memory of Chaos stages or Apocalyptic Shadow fights where enemy self-buffs are punishing, Luocha can be the correct sustain choice purely for this utility, regardless of the rest of his kit.

Characters That Synergise Well With Luocha

Castorice – Best partner; HP drain feeds Luocha’s auto-Skill and Field consistently
Mydei – Constant HP consumption keeps Field active; Field healing sustains Mydei through his own drain
Blade – Classic pairing; auto-Skill manages Blade’s HP fluctuations passively
Jingliu – HP drain from Spectral Transmigration triggers Luocha’s auto-Skill, building Abyss Flower naturally
Bronya – Benefits enormously from a SP-positive healer; the two have zero SP conflict
Kafka – DoT teams attack frequently, triggering constant Field healing for the whole team
Acheron – Luocha provides the cleanse and SP freedom Acheron teams appreciate when not running Aventurine

Luocha Eidolons – Are They Worth It?

E1 – Ablution of the Quick

While Luocha’s Field is active, all allies’ ATK increases by 20%. Since the Field has high uptime in well-built teams, this is a near-permanent 20% ATK buff for your entire roster. Particularly strong in ATK-scaling teams — it effectively makes Luocha an offensive support while still fulfilling his sustain role. A very good E1.

E2 – Bestowal From the Pure

When his Skill is triggered, if the target ally is below 50% HP, Outgoing Healing increases by 30%. If the ally is at 50% HP or higher, the ally receives a Shield absorbing DMG equal to 18% of Luocha’s ATK plus a flat amount, lasting 2 turns. Both parts are useful — the healing boost activates whenever the auto-Skill fires on a critically low ally, and the shield adds meaningful damage mitigation in safer situations. Prydwen recommends E2 as the best eidolon to stop at before E6.

E4 – Heavy Lies the Crown

While the Field is active, enemies are Weakened and deal 12% less DMG to the team. A defensive bonus that reduces incoming damage throughout the Field’s uptime. Less impactful than E1 or E2 individually, but stacks well with the other Eidolons.

E6 – Reunion With the Dust

When Luocha uses his Ultimate, all enemies’ All-Type RES is reduced by 20% for 2 turns. This transforms Luocha into a meaningful offensive support — a 20% universal RES reduction is a significant damage amplifier for the whole team. His Ultimate has low energy cost and cycles frequently with the right Light Cone, making this Eidolon reliable. An excellent E6 for players fully invested in the character.

Recommended stopping point: Signature Light Cone first, then E1 or E2. E0 Luocha is fully functional in all content. E1 is a strong team-wide ATK buff worth having. E2 provides both more healing and a shield. E6 is exceptional if you are a devoted Luocha fan.

Luocha Rotation Guide

Luocha’s rotation is deliberately passive. That is the point:

Use the Technique before combat — the Field deploys immediately at battle start without needing 2 Abyss Flower stacks
Use Basic ATK as your default action on every turn. This generates +1 SP for the team and builds energy
Let the auto-Skill handle emergency heals whenever an ally drops below 50% HP — no input required, no SP cost
Use the Ultimate when energy is full. This strips enemy buffs, deals AoE damage, and grants 1 Abyss Flower stack
After 2 Abyss Flower stacks (from auto-Skill procs, manual Skill use, or Ultimate), the Field deploys automatically
Only use the Skill manually if the Field is not active and an ally needs immediate healing. This should be rare in a well-built team

The practical result: Luocha spends most fights pressing Basic ATK and occasionally pressing Ultimate. He generates SP constantly. The team heals itself through the Field. This is what makes him uniquely valuable in SP-hungry compositions.

Luocha Ascension Materials

Credits: 3,308,000
Ascension materials: Artifex’s Module, Artifex’s Cogwheel, Artifex’s Gyreheart (from Automata enemies on Jarilo-VI), and Golden Crown of the Past Shadow (Stagnant Shadow)
Trace materials: Extinguished Core, Glimmering Core, Squirming Core (from Antimatter Legion enemies), and Past Evils of the Borehole Planet Disaster
Boss material: Golden Crown of the Past Shadow from the Stagnant Shadow domain

Is Luocha Worth Using in Patch 4.3?

Yes — and he is particularly worth using right now. The arrival of Castorice and Mydei in recent patches gave Luocha a genuine meta boost, because both characters need a healer who provides maximum raw healing output and does not fight them for SP. Luocha delivers both requirements better than any other sustain in the game.

His unique advantages in 4.3 remain unmatched: he is the only sustain who is fully SP-positive, he is the only healer with a team-wide AoE buff dispel, and his passive auto-Skill coverage means he can sustain entire fights while spending nearly every turn generating resources for teammates. He was also made available to all players through the Version 3.4 anniversary rewards, making him the most accessible high-quality sustain in the current patch.

The honest caveat: newer sustains like Hyacine and Lingsha provide additional offensive utility alongside their healing. Luocha offers none of that — but in teams that genuinely need SP freedom and cleanse, nobody does the job better.

Looking for more character guides? Check out builds for Castorice, Mydei, Blade, Hyacine, and Lingsha for more top-tier characters in the current patch.

For the official Version 4.3 patch notes, visit the official Honkai: Star Rail website.