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Bailu, Lightning Abundance character | Honkai: Star Rail
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The Xianzhou Luofu

Bailu Build

Build guide · Honkai: Star Rail

5-star
LightningAbundanceSustain

English voice: Su Ling Chan

The best Bailu build in Honkai: Star Rail (Version 4.6) is Night of Fright with Warrior Goddess of Sun and Thunder. Updated November 5, 2026

AbilitiesTracesMaterialsEidolons
Where these rankings come fromThe light cone order, relic sets and stat priorities on this tab are prydwen.gg’s, measured in play and rephrased. Relative damage figures are ratios against the bottom of each ranking, not absolute numbers, and each one holds only for the superimposition and team its row states. Everything else (base stats, passive text, material totals) is read from the game’s own data.

Light cones

Relics

Warrior Goddess of Sun and Thunder, Cavern Relic set | Honkai: Star Rail
CoreWarrior Goddess of Sun and Thunder

Best in slot set for all healers, increasing their SPD by 12% and providing a team-wide 15% CRIT DMG buff.

2PCIncreases SPD by 6%.

4PCWhen the wearer or their memosprite provides healing to ally targets other than themselves, the wearer gains "Gentle Rain," which lasts for 2 turn(s) and can only trigger once per turn. While the wearer has "Gentle Rain," SPD increases by 6% and all allies' CRIT DMG increases by 15%. This effect cannot stack.

Planar ornaments

Fleet of the Ageless, Planar Ornament set | Honkai: Star Rail
CoreFleet of the Ageless

Ideal for supporting teams that scale on ATK.

2PCIncreases the wearer's Max HP by 12%. When the wearer's SPD reaches 120 or higher, all allies' ATK increases by 8%.

Main stats

Body
Outgoing Healing > HP%
Feet
Speed
Planar Sphere
HP%
Link Rope
Energy Regen Rate

Substat priority

  1. 1SPD (breakpoint)Best
  2. 2HP%
  3. 3EFF RES% = DEF%

Focusing on Speed and HP% will make Bailu heal often and give her some bulk. For Speed, try to reach the 134 Speed breakpoint.

Trace priority

  1. #1

    Talent

    Max first

  2. #2

    Ultimate

    Then

  3. #3

    Skill

    Next

  4. #4

    Basic

    Later

Major traces, best first: Vidyadhara Ichor Lines (A4) > Aquatic Benediction (A6) > Qihuang Analects (A2)

Best Eidolons

  1. Bailu E1 Ambrosial Aqua, Eidolon | Honkai: Star RailE1
  2. Bailu E2 Sylphic Slumber, Eidolon | Honkai: Star RailE2
  3. Bailu E3 Omniscient Opulence, Eidolon | Honkai: Star RailE3
  4. Bailu E4 Evil Excision, Eidolon | Honkai: Star RailE4
  5. Bailu E5 Waning Worries, Eidolon | Honkai: Star RailE5
  6. Bailu E6 Drooling Drop of Draconic Divinity, Eidolon | Honkai: Star RailE6
  1. Bailu E1 Ambrosial Aqua, Eidolon | Honkai: Star RailE1

    Ambrosial Aqua

    Game text

    If the target ally's current HP is equal to their Max HP when Invigoration ends, regenerates 8 extra Energy for this target.

  2. Bailu E2 Sylphic Slumber, Eidolon | Honkai: Star RailE2

    Sylphic Slumber

    Game text

    After using her Ultimate, Bailu's Outgoing Healing increases by an additional 15% for 2 turn(s).

  3. Bailu E4 Evil Excision, Eidolon | Honkai: Star RailE4

    Evil Excision

    Game text

    Every healing provided by the Skill makes the recipient deal 10% more DMG for 2 turn(s). This effect can stack up to 3 time(s).

  4. Bailu E6 Drooling Drop of Draconic Divinity, Eidolon | Honkai: Star RailE6

    Drooling Drop of Draconic Divinity

    Game text

    Bailu can heal allies who received a killing blow 1 more time(s) in a single battle.

Teams

No composition on the site currently uses Bailu. The best teams page carries the ones that are written up.

Honkai: Star Rail 5★ Lightning Abundance Sustain

Bailu build summary

Updated November 5, 2026

Night of Fright tops the light cone ranking for Bailu at S1, ahead of Time Waits for No One, Post-Op Conversation and Unto Tomorrow's Morrow. That order is prydwen.gg's, measured in play and rephrased here; every row of it sits under Light cones below.

Run Warrior Goddess of Sun and Thunder on Bailu, with Messenger Traversing Hackerspace and Passerby of Wandering Cloud behind it. The planar ornament is Fleet of the Ageless. Main stats are Outgoing Healing > HP% body, Speed feet, HP% sphere, Energy Regen Rate rope. Roll substats in the order SPD (breakpoint) > HP% > EFF RES% = DEF%.

Trace priority is Talent > Ultimate > Skill > Basic. The Ultimate costs 100 energy, which is what an Energy Regeneration Rate target has to clear.

Role
Sustain
Best light cone
Night of Fright
Alternatives
Time Waits for No One, Post-Op Conversation, Unto Tomorrow's Morrow
Relic set
Warrior Goddess of Sun and Thunder
Planar ornament
Fleet of the Ageless
Main stats
Outgoing Healing > HP% body, Speed feet, HP% sphere, Energy Regen Rate rope
Substat priority
SPD (breakpoint) > HP% > EFF RES% = DEF%
Trace priority
Talent > Ultimate > Skill > Basic
Ultimate energy cost
100 energy
Key ascension material
65× Lightning Crown of the Past Shadow
Last updated
November 5, 2026

Bailu build FAQ

What is the best Light Cone for Bailu?
Time Waits for No One is the closest fit on the data: it is a 5-star Abundance Light Cone with 476 base ATK at level 80, and its passive acts on HP. Hey, Over Here is the best 4-star alternative.
Which relic set should Bailu use?
Band of Sizzling Thunder. Its 2-piece bonus is: Increases Lightning DMG by 10%. Its 4-piece bonus is: When the wearer uses their Skill, increases the wearer's ATK by 20% for 1 turn(s).
Which Planar Ornament should Bailu use?
Fleet of the Ageless. Its 2-piece bonus is: Increases the wearer's Max HP by 12%. When the wearer's SPD reaches 120 or higher, all allies' ATK increases by 8%. Planar Ornaments have no 4-piece bonus; the sphere and the rope are the whole set.
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