March 7th HSR build
March 7th
A defensive March 7th build that maximizes shield value, turns aggro into counters and reserves freeze for enemy pressure.
Ice
Preservation- Role
- Ice shielder and freeze control
- Version
- 4.4
- Reviewed on
- August 13, 2026
Recommended build
Light Cone
Moment of VictoryMoment of Victory gives the largest defensive package here: DEF, aggro and Effect Hit Rate all reinforce March 7th's shield-and-freeze job.
Landau's ChoiceLandau's Choice redirects more attacks into March 7th while reducing the damage she takes, producing more counter opportunities without weakening the shield stat.
Day One of My New LifeDay One of My New Life supplies DEF and permanent team All-Type RES, a dependable defensive floor for both the shield and the party.
It is a standard four-star cone and works at S1 without a signature-only mechanic.
Relics
Knight of Purity Palace stacks DEF and the only four-piece shield-strength bonus, so every Skill cast absorbs more damage.
Two Knight pieces preserve DEF while two Guard pieces reduce incoming damage when strong four-piece substats are unavailable.
Planar Ornaments
Belobog of the Architects converts Effect Hit Rate into extra DEF, directly improving the shield while supporting Ultimate freezes.
When to use it : Reach 50% Effect Hit Rate before counting its second DEF bonus.
Broken Keel trades personal DEF for Effect RES and team CRIT DMG, useful when March already shields comfortably.
When to use it : Reach 30% Effect RES to activate the team CRIT DMG.
Trace priority
- Skill
- Talent
- Ultimate
- Basic ATK
March 7th shields one ally, raises that ally's aggro and counters attacks against shielded teammates; her Ultimate adds emergency area freeze control.
How to play it
- 1Shield the ally most likely to be focused; avoid refreshing a healthy shield only for uptime.
- 2Basic Attack when shields are stable so the main damage dealer keeps Skill Points.
- 3Hold Ultimate for dangerous enemy actions or a multi-target freeze window.
Sources and methodology
Editorial recommendations are written from released game data, then cross-checked against specialist calculations. They are not copied from a single tier list.
Review method
The review prioritizes shield value, reliable Ultimate freezes and counter frequency. Belobog's 50% Effect Hit Rate condition is treated as a conditional target, not a universal requirement.
- Prydwen — March 7th build and calculationsChecked 2026-08-13
- Icy Veins — March 7th guide and buildsChecked 2026-08-13
- TurnBasedGameData — Version 4.4 exact snapshotChecked 2026-08-13
- TurnBasedGameData — released Version 4.0 to 4.4 deltaChecked 2026-08-13
- HoYoLAB — Version 4.4 update detailsChecked 2026-08-13
E0 Preservation build. Effect Hit Rate is only mandatory when Belobog of the Architects is equipped; do not sacrifice the DEF needed for a durable shield.