BIO

Physical

Valkyrie Bladestrike

Raiden Mei

TierC

RolesDPS

Release1.8

Valkyrie Bladestrike is Raiden Mei's A-rank BIO-type katana battlesuit, a melee Physical DPS built around Susanoo, a long burst mode that boosts her Crit and feeds SP to her teammates, plus Blade Flurry combos and Time Fracture on Ultimate Evasion. HoYoverse's old guide already rated her deployment as low outside her augment core, Striker Fulminata. With no Astral Ring she is obsolete in 9.0: her main value today is ranking her up for Striker Fulminata, the game's first augment core.

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Burst-mode Physical DPS (old content)

Weapons

Dawn Breaker: Talwar BiS

HoYoverse's DPS pick: a charging slash that then restores 4 SP every 0.5s for 8s, +16 starting SP, and +10% Total DMG and Crit Rate during burst mode.

The active charges forward for 900% ATK of Physical DMG, then restores 4 SP every 0.5s for 8s; +10% Total DMG and Crit Rate during Ultimates and burst modes, and +16 starting SP.

3rd Sacred Relic

BBS recommendation: up to +40% Physical DMG with the combo counter and +30% in burst mode. Craftable in the Foundry.

Craftable katana with no active: up to +40% Physical DMG as the combo counter reaches 20/50/100 hits, and +30% Physical DMG in burst mode.

Jizo Mitama

HoYoverse's transitional pick if you own this Divine Key: bonus Total DMG against airborne enemies.

Older katana Divine Key: summons Jizo Mitama to fight for up to 40s and grants up to +32% Total DMG against airborne enemies.

Endergonic Tachi

HoYoverse's beginner pick: a cheap Foundry katana with Physical DMG at low SP.

Basic craftable katana: +17% Physical DMG when SP is low and bonus Fire DMG on every hit when SP is high.

Stigmata

Dirac T Top

Dirac M Middle

Dirac B Bottom

HoYoverse's DPS set (full Dirac): she enjoys every buff during Susanoo, Dirac (B) restores SP to reach burst mode sooner, and the 3-piece impairs enemies (-50% DEF). The BBS build keeps only Dirac (M), paired with Schrödinger Band (T/B) and 3rd Sacred Relic.

Set effects

2pQuantum Waltz set. With any 2 piece effects active, +35% Physical DMG, and both effects are refreshed and extended to 14s.

3pWith all 3 piece effects active, Ultimate and burst-mode attacks impair non-impaired enemies (DEF -50% for 3s), and the effects are refreshed and extended to 18s.

Elizabeth Bathory T Top

Elizabeth Bathory M Middle

Attila B Bottom

BBS transitional mix: Elizabeth Bathory (T/M) for Crit Rate and Physical DMG plus its 2-piece bonus (+20% Physical DMG, +10% max SP on BIO wearers), and Attila (B) for more Physical DMG at high combo.

Set effects

2pPhysical DMG +20%; BIO wearers also gain 10% max SP.

3pATK Speed +15%, and hits have a 10% chance to heal 3% HP (2s CD).

2pCrit DMG +30%; MECH wearers also gain 10% max SP.

3p+40% CRT in battle.

Ryunosuke Akutagawa T Top

Ryunosuke Akutagawa M Middle

Ryunosuke Akutagawa B Bottom

HoYoverse's beginner set for melee Physical battlesuits: a barrier and melee damage bonuses.

Set effects

2pA barrier worth 15% of max HP when entering battle; +40% Crit DMG while it holds.

3pMelee attacks +20% Total DMG.

Stat targets

Enter Susanoo above 100 SP and stay in it as long as possible
Reach S rank first: Ki Spirit (+10% Crit Rate, +75% Crit DMG in burst) and her QTE
Raise her rank to unlock Striker Fulminata's ranks (S for ranks 2-3, SS for 4-5, SSS for 6)

Talent priority

Ultimate

Special ATK

Basic ATK

Evasion

Passive

Leader

Striker Fulminata's augment materials (Fulminata Cores) come from the Asterite Shop, Expedition and Adventure Tasks (Marisa Impact). Marisa Impact recommends farming Valkyrie Blastmetal first, since she fits any Astral Ring team.

Teams

Recommended teams

HoYoverse guide line-up

Valkyrie Bladestrike

Drive Kometa

Celestial Hymn

The line-up from HoYoverse's official guide: Drive Kometa and Celestial Hymn support Valkyrie Bladestrike's Susanoo. Part 1 content only.

Time Fracture trio

Valkyrie Bladestrike

Knight Moonbeam

Dimension Breaker

Knight Moonbeam triggers Time Fracture with any evasion, which sets up Valkyrie Bladestrike's Time Slow QTE (from S rank), and Dimension Breaker Time Locks enemies on entry. A nostalgic budget team for older content only.

Guide

How to play

Core kit

Basic ATK (Gokiketsu): a fast 5-hit AOE combo; Kinetic Aura gives +30% ATK Speed on Basic ATKs, and from S rank Spirit Aura adds Ignore Interrupt and 30% less Physical DMG taken.
Combo ATK (Void Edge): a Blade Flurry of slashes ending in a Fatal Slash; keep tapping [ATK] to repeat Blade Flurry up to 6 times (Relentless Flurry).
Ultimate (Susanoo): above 100 SP, spend 20 SP to enter a burst mode that drains 10 SP/s (up to 60s) and enhances all her attacks. Off-field teammates gain 2 SP/s (Martial Stream), and from S rank she gets +10% Crit Rate and +75% Crit DMG (Ki Spirit).
Evasion (Phantom Blade): the Ultimate Evasion triggers a 3s Time Fracture (CD: 15s, 2.5s shorter with Shadow Razor); tap [ATK] right after it for Blade Flurry with +40% Crit DMG against airborne enemies.

Key mechanics

Switch entry unleashes Blade Flurry, which gains +30% Crit Rate against airborne enemies (Impact Flurry).
Her QTE (Issen, from S rank) triggers on Time Slowed enemies.
Shadow Aura X: +40% Total DMG against enemies whose Elite Shield is broken.
Leader skill (Sakura Aura): team +25% DEF, BIO-type battlesuits +5% max HP.

Rotation (old content)

Build SP with Basic ATKs and Blade Flurry (Dawn Breaker: Talwar's active also restores SP over 8s).
Enter Susanoo above 100 SP, then chain Blade Flurries and Ultimate Evasions (Time Fracture) until SP runs out.
Swap out: the SP she fed to the team lets the next DPS act sooner.

Strengths

Long burst mode with big Crit bonuses from S rank.
Feeds SP to off-field teammates during Susanoo, and from SS rank shares SP when she is full.
Her ranks unlock the ranks of her augment core, Striker Fulminata.
Very easy to get: Open World, Expedition, Dorm Supply, Dorm Shop and Elysian Shop (Marisa Impact).

Weaknesses

Obsolete in 9.0: no Astral Ring, and HoYoverse's guide already rated her deployment as low outside her augment form.
Needs 100 SP to start Susanoo, which is slow without SP support.
Superseded by her own augment core, Striker Fulminata (also outdated), and Mei's later battlesuits.
Her Crit bonus and QTE need S rank.

Notable dupes · Rank

Big upgrade

Ki Spirit (+10% Crit Rate and +75% Crit DMG in Susanoo), her QTE Issen, Spirit Aura and team-wide Combo Keeper; S rank is also required for Striker Fulminata's augment ranks 2 and 3.

Solid upgrade

Energy Overflow (at max SP, 50% of her SP gains go to off-field teammates) and Ankage Jutsu (+30% SP recovery on Basic and Combo ATKs); SS rank is required for Striker Fulminata's augment ranks 4 and 5.

SSS

Solid upgrade

Wind Aura (+60% ATK Speed after Ultimate Evasion and a longer Time Fracture that ends with a combo-scaled hit); SSS rank is required for Striker Fulminata's final augment rank.

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Updated September 26, 2026 · Version 9.0

Sources & references