Skip to content
HSR-BUILD.COM
March 7th, Ice Preservation character | Honkai: Star Rail
All characters

Astral Express

March 7th Build

Build guide · Honkai: Star Rail

4-star
IcePreservationSustain

English voice: Skyler Davenport

The best March 7th build in Honkai: Star Rail (Version 4.6) is Inherently Unjust Destiny with Self-Enshrouded Recluse. 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

Self-Enshrouded Recluse, Cavern Relic set | Honkai: Star Rail
CoreSelf-Enshrouded Recluse

Best set for Shield based characters, improving their Shield strength and providing a team-wide CRIT DMG buff.

2PCThe provided Shield Effect increases by 10%.

4PCIncreases the Shield Effect provided by the wearer by 12%. When an ally target holds a Shield provided by the wearer, the ally target's CRIT DMG increases by 15%.

Planar ornaments

Broken Keel, Planar Ornament set | Honkai: Star Rail
CoreBroken Keel

An option for supports stacking Effect RES, while also increasing the entire team's CRIT DMG. Requires at least 30% Effect RES to activate.

2PCIncreases the wearer's Effect RES by 10%. When the wearer's Effect RES is at 30% or higher, all allies' CRIT DMG increases by 10%.

Main stats

Body
Effect HIT Rate >= DEF%
Feet
Speed
Planar Sphere
DEF%
Link Rope
Energy Regen Rate >= DEF%

Substat priority

  1. 1Effect Hit Rate (Until 64% OR skip if no Freeze build) = SPD (Breakpoint)Best
  2. 2DEF%
  3. 3HP% = Effect RES

This build focuses on creating the strongest Shields possible and some Effect Hit Rate to land the Freeze.

Trace priority

  1. #1

    Skill

    Max first

  2. #2

    Ultimate = Talent = Basic

    Then

Major traces, best first: Purify (A2) > Ice Spell (A6) > Reinforce (A4)

Best Eidolons

  1. March 7th E1 Memory of You, Eidolon | Honkai: Star RailE1
  2. March 7th E2 Memory of It, Eidolon | Honkai: Star RailE2
  3. March 7th E3 Memory of Everything, Eidolon | Honkai: Star RailE3
  4. March 7th E4 Never Forfeit Again, Eidolon | Honkai: Star RailE4
  5. March 7th E5 Never Forget Again, Eidolon | Honkai: Star RailE5
  6. March 7th E6 Just Like This, Always..., Eidolon | Honkai: Star RailE6
  1. March 7th E1 Memory of You, Eidolon | Honkai: Star RailE1

    Memory of You

    Game text

    Every time March 7th's Ultimate Freezes a target, she regenerates 6 Energy.

  2. March 7th E2 Memory of It, Eidolon | Honkai: Star RailE2

    Memory of It

    Game text

    Upon entering battle, grants a Shield equal to 24% of March 7th's DEF plus 320 to the ally with the lowest HP percentage, lasting for 3 turn(s).

  3. March 7th E4 Never Forfeit Again, Eidolon | Honkai: Star RailE4

    Never Forfeit Again

    Game text

    The Talent's Counter effect can be triggered 1 more time in each turn. The DMG dealt by Counter increases by an amount that is equal to 30% of March 7th's DEF.

  4. March 7th E6 Just Like This, Always..., Eidolon | Honkai: Star RailE6

    Just Like This, Always...

    Game text

    Allies under the protection of the Shield granted by the Skill restore HP equal to 4% of their Max HP plus 106 at the beginning of each turn.

Teams

Clara team

Physical · CounterPlays Shield · taunt

Clara counters whoever attacks her, so the Preservation slot is there to make her the target and the follow-up partner is there for the turns she is not hit.

  1. Clara, Physical Destruction character | Honkai: Star RailClaraMain DPS
  2. Topaz & Numby, Fire The Hunt character | Honkai: Star RailTopaz & NumbyFollow-up partner
  3. March 7th, Ice Preservation character | Honkai: Star RailMarch 7th, this characterShield · taunt
  4. Natasha, Physical Abundance character | Honkai: Star RailNatashaSustain

All teams, with every replacement

Honkai: Star Rail 4★ Ice Preservation Sustain

March 7th build summary

Updated November 5, 2026

Inherently Unjust Destiny tops the light cone ranking for March 7th at S1, ahead of Journey, Forever Peaceful, Day One of My New Life and Texture of Memories. That order is prydwen.gg's, measured in play and rephrased here; every row of it sits under Light cones below.

Run Self-Enshrouded Recluse on March 7th, with Knight of Purity Palace behind it. The planar ornament is Broken Keel. Main stats are Effect HIT Rate >= DEF% body, Speed feet, DEF% sphere, Energy Regen Rate >= DEF% rope. Roll substats in the order Effect Hit Rate (Until 64% OR skip if no Freeze build) = SPD (Breakpoint) > DEF% > HP% = Effect RES.

Trace priority is Skill > Ultimate = Talent = Basic. The Ultimate costs 120 energy, which is what an Energy Regeneration Rate target has to clear.

March 7th plays Shield · taunt in the Clara team, alongside Clara, Topaz & Numby and Natasha.

Role
Sustain
Best light cone
Inherently Unjust Destiny
Alternatives
Journey, Forever Peaceful, Day One of My New Life, Texture of Memories
Relic set
Self-Enshrouded Recluse
Planar ornament
Broken Keel
Main stats
Effect HIT Rate >= DEF% body, Speed feet, DEF% sphere, Energy Regen Rate >= DEF% rope
Substat priority
Effect Hit Rate (Until 64% OR skip if no Freeze build) = SPD (Breakpoint) > DEF% > HP% = Effect RES
Trace priority
Skill > Ultimate = Talent = Basic
Best team
Clara, Topaz & Numby, March 7th, Natasha
Ultimate energy cost
120 energy
Key ascension material
12× Conqueror's Will
Last updated
November 5, 2026

March 7th build FAQ

What is the best Light Cone for March 7th?
Inherently Unjust Destiny is the closest fit on the data: it is a 5-star Preservation Light Cone with 423 base ATK at level 80, and its passive acts on DEF. Concert for Two is the best 4-star alternative.
Which relic set should March 7th use?
Hunter of Glacial Forest. Its 2-piece bonus is: Increases Ice DMG by 10%. Its 4-piece bonus is: After the wearer uses their Ultimate, their CRIT DMG increases by 25% for 2 turn(s).
Which Planar Ornament should March 7th use?
Giant Tree of Rapt Brooding. Its 2-piece bonus is: Increases the wearer's SPD by 6%. When the wearer's SPD is 135/180 or higher, the wearer and their memosprite's Outgoing Healing increases by 12%/20%. Planar Ornaments have no 4-piece bonus; the sphere and the rope are the whole set.
HSR-BUILD.COM
AboutPrivacy PolicyAdvertiseData as of version 4.6

HSR Build is an unofficial fan resource. Honkai: Star Rail, its game content and its artwork are trademarks and copyrights of HoYoverse. This site is not affiliated with or endorsed by HoYoverse.