B Tier Ice Preservation Sustain ★★★★

March 7th Build Guide

Best relics, light cones, team compositions & trace priority for Honkai Star Rail 4.0 (February 2026)

March 7th - Honkai Star Rail Build Guide

📖 March 7th Overview

March 7th (Preservation) is a free 4-star Ice shielder who can Freeze enemies with her Ultimate. Budget Preservation option.

Element

Ice

Path

Preservation

Rarity

★★★★

Tier

B

⚔️ Skills Breakdown

Basic Attack

Deals Ice DMG to a single enemy.

Skill

Deals Ice DMG with enhanced effects based on March 7th's kit.

Ultimate

Powerful Ice DMG ability with special effects.

Talent

Passive ability enhancing March 7th's combat effectiveness.

Technique

Overworld ability providing combat advantages.

🛡️ Best Relics & Planar Ornaments

Relic Sets

🏆 Best in Slot

Knight of Purity Palace (4pc)

Alternatives

Messenger Traversing Hackerspace (4pc)

Planar Ornaments

🏆 Best in Slot

Broken Keel

Alternatives

Fleet of the Ageless

🔮 Best Light Cones

🏆 Best in Slot

Day One of My New Life (4★)

Alternatives (ranked)

Landau's Choice, Moment of Victory

📊 Stat Priority & Main Stats

Body

DEF%

Feet

SPD

Sphere

DEF%

Rope

Energy Regeneration Rate

Sub-stat Priority

DEF% > SPD > HP% > Effect RES

Target Stats

High DEF

👥 Best Team Compositions

🏆 Optimal Teams

Alternative Teams

📈 Trace & Eidolon Priority

Trace Upgrade Order

Skill > Ultimate > Talent > Basic Attack

Eidolon Priority

E6

✅ Pros & Cons

✅ Pros

+

Free from story

+

Shield for Yunli/Clara counter teams

+

Freeze utility

❌ Cons

Very outdated

Low shield value

💡 Tips & Tricks

💡

Shield redirects attacks for counter characters.

❓ Frequently Asked Questions

What are the best relics for March 7th?

The best relic set is Knight of Purity Palace (4pc) paired with Broken Keel as the planar ornament. Alternatives include Messenger Traversing Hackerspace (4pc).

What is the best Light Cone for March 7th?

The best Light Cone is Day One of My New Life (4★). Good alternatives include: Landau's Choice, Moment of Victory.

What tier is March 7th in HSR 4.0?

March 7th is ranked B Tier in our Honkai Star Rail 4.0 tier list as of February 2026.

Is March 7th worth pulling?

As a B Tier Sustain, March 7th is a solid option but consider higher-tier alternatives first.

📚 Related Character Guides

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