Sturm (Grand)

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Game Strategy Lore Voice Anime
Grand
[Crimson Mercenary]This title is an unofficial, amateur translation.
Sturm
Can be uncapped to 5★Has animated Home screen art
MAX HP 13204★: 1100
5★: 1320
MAX ATK 131904★: 11100
5★: 13190
BASE DA/TAThis character's base double attack rate and triple attack rate.Characters with support skills that grant guaranteed multiattacks may have very high values. 10% DA / 5% TA
Element
RaceOfficially called "Type" in-game.
Style
SpecialtyThis character gains 20% more ATK from weapons of this type in your grid.  
Exp. BonusExpedition Bonus Type in Auto-Expeditions Mercenary/Skyfarer
GenderGender is a character attribute used for game mechanics. A character's lore, appearance, and other factors do not affect this attribute. Female
Voice Actor Kanae Itō
How to Recruit
Flash Gala
Recruitment Weapon
Ixaba
ID 3040115000
Char ID 3078
Uncap Limit
NameJP スツルム
TitleJP 戦焔の傭兵
Voice ActorJP 伊藤かな恵
Release Date 2017-03-31
5★ Date 2025-11-13
Other Sites gbf-wiki
(Japanese wiki)
GameWithKamigameHuiji Wiki
(Chinese wiki)
GBF Asset LookupGBF Animation Player
She is a masterful swordswoman with a long, illustrious career in battle. As an agent, there are only two constants she trusts: the contract and the payout. Yet behind her taciturn expression lies a hidden flame burning steady and hot.

Charge Attack
Icon Name Effect
Hell's Angel 450%Massive Fire damage to a foe.[1]
End cooldown for Blitzkrieg500% Fire damage to a foe (Damage cap: ~635,000).
Inflict Burned (2000)HP is lowered on every turn
Strength: 2000Base Accuracy: 100%Duration: 180 seconds
and DelayReduce a foe's filled charge diamonds by 1
Base Accuracy: 100%
.
Gain 50% Sharp ATK Up (1 time)ATK is sharply boosted
Strength: 50%Multiplier: AssassinDuration: 1 turn
.
.
After 5★:
From the Inferno
500%Massive Fire damage to a foe.[1]
End cooldown for Blitzkrieg500% Fire damage to a foe (Damage cap: ~635,000).
Inflict Burned (2000)HP is lowered on every turn
Strength: 2000Base Accuracy: 100%Duration: 180 seconds
and DelayReduce a foe's filled charge diamonds by 1
Base Accuracy: 100%
.
Gain 50% Sharp ATK Up (1 time)ATK is sharply boosted
Strength: 50%Multiplier: AssassinDuration: 1 turn
.
.
2-turn cut to Sturm's buff skill cooldowns.

Skills
Icon Name Cooldown Duration Obtained Effect
Blitzkrieg 7 turns
Lvl 55:
6 turns
180 sec /
1 turn
Lvl 1
⇧ Lvl 55This skill is enhanced at level 55.
500% Fire damage to a foe (Damage cap: ~635,000).
Inflict Burned (2000)HP is lowered on every turn
Strength: 2000Base Accuracy: 100%Duration: 180 seconds
and DelayReduce a foe's filled charge diamonds by 1
Base Accuracy: 100%
.
Gain 50% Sharp ATK Up (1 time)ATK is sharply boosted
Strength: 50%Multiplier: AssassinDuration: 1 turn
.[1]
Sword Switch 7 turns
Lvl 75:
6 turns
- Lvl 1
⇧ Lvl 75This skill is enhanced at level 75.
⇮ Lvl 95This skill is enhanced again at level 95.
Gain Charge Bar +25%Instantly boosts Charge Bar by 25%
Strength: 25%
.
2-hit, 300% Fire damage to random foes (Damage cap: ~300,000 per hit).
(When Impetuous BladeBased on lvl: ATK, DEF, and multiattack rate are boosted (Max: 5 / Can't be removed)
lvl is 5:
Hit number doubles.
When Deft BladeBased on lvl: Skill DMG and skill DMG cap are boosted / Skill DMG dealt is supplemented (Max: 5 / Can't be removed)
lvl is 5:
Can recast once each turn it is cast.)
At level 95:
Also gain 2% DMG Cap Up (Stackable / Max: 10%)Maximum amount of DMG that can be dealt per hit is boosted (Stackable)
Strength: 2% (Max: 10%)Duration: Indefinite
.[1]
Raise Impetuous BladeBased on lvl: ATK, DEF, and multiattack rate are boosted / At lvl 5: Attacks made with elemental superiority deal boosted DMG (Max: 5 / Can't be removed)
Multiplier: PerpetuityDuration: Indefinite
lvl by 1.
Redouble 6 turns 3 turns /
1 turn
Lvl 45
Gain 30% Bonus Fire DMGDeals bonus fire DMG for one-foe one-ally attacks
Strength: 30%Duration: 3 turns
, 30% DMG AmplifiedDMG for normal attacks and counterattacks is amplified
Strength: 30%Duration: 3 turns
, Double StrikeAttacks twice each turn
Duration: 1 turn
, and Dodge All (1 time)Takes no DMG or debuffs while in effect for a set period
Duration: Indefinite
.[1]
(Consumes 50% of charge bar.)
Blade of Yore 15 turns 5 turns Lvl 100
Gain Blade of YoreNumber of attacks is increased by 1 / Consumes 50% charge bar before each attack to deal 2-hit DMG to random foes and 2-hit bonus fire DMG to a foe for the next normal attack (Can't be removed)
Duration: 5 turns
and Instant ChargeInstantly sets Charge Bar to 100%
Unaffected by Charge Bar Gain status effects.
No effect when afflicted with Shorted debuffs or when Charge Bar is above 100%.
.
(Can only be used when Impetuous BladeBased on lvl: ATK, DEF, and multiattack rate are boosted / At lvl 5: Attacks made with elemental superiority deal boosted DMG (Max: 5 / Can't be removed)
lvl and Deft BladeBased on lvl: Skill DMG and skill DMG cap are boosted / Skill DMG dealt is supplemented / At lvl 5: Chance to dodge DMG and debuffs (Max: 5 / Can't be removed)
lvl are 5.)

Support SkillsDoes not work from the backline unless explicitly stated.
Icon Name Obtained Effect
Impetuous Blade Lvl 1
⇧ Lvl 90This skill is enhanced at level 90.
Raises Impetuous BladeBased on lvl: ATK, DEF, and multiattack rate are boosted (Max: 5 / Can't be removed)
Multiplier: PerpetuityDuration: Indefinite
lvl by 1 upon normal attacks (Max: 5).
20% Bonus Fire DMG effect against foes with BurnedHP is lowered on every turn
.
(Based on Impetuous BladeBased on lvl: ATK, DEF, and multiattack rate are boosted (Max: 5 / Can't be removed)
Multiplier: Perpetuity
lvl:
Boost to ATKMultiplier: Perpetuity, DEF, and multiattack rate.)
At level 90:
At Impetuous BladeBased on lvl: ATK, DEF, and multiattack rate are boosted / At lvl 5: Attacks made with elemental superiority deal boosted DMG (Max: 5 / Can't be removed)
Multiplier: Perpetuity
lvl 5:
100% / 20% boost to critical hit rate100% chance of dealing 20% more damage..[1]
Deft Blade Lvl 1
⇧ Lvl 90This skill is enhanced at level 90.
Raises Deft BladeBased on lvl: Skill DMG and skill DMG cap are boosted / Skill DMG dealt is supplemented (Max: 5 / Can't be removed)
Duration: Indefinite
lvl by 1 upon using a skill (Max: 5).
Doesn't consume sharp boost to ATK effects upon dealing skill damage.
Upon dodging: Activate Blitzkrieg500% Fire damage to a foe (Damage cap: ~635,000).
Inflict Burned (2000)HP is lowered on every turn
Strength: 2000Base Accuracy: 100%Duration: 180 seconds
and DelayReduce a foe's filled charge diamonds by 1
Base Accuracy: 100%
.
Gain 50% Sharp ATK Up (1 time)ATK is sharply boosted
Strength: 50%Multiplier: AssassinDuration: 1 turn
.
.
(Based on Deft BladeBased on lvl: Skill DMG and skill DMG cap are boosted / Skill DMG dealt is supplemented (Max: 5 / Can't be removed)
lvl:
Boost to skill specs and supplement skill damage.)
At level 90:
At Deft BladeBased on lvl: Skill DMG and skill DMG cap are boosted / Skill DMG dealt is supplemented / At lvl 5: Chance to dodge DMG and debuffs (Max: 5 / Can't be removed)
lvl 5:
20% boost to dodge rate.[1]
Extended Mastery Support Skill EMP Slight chance to dodge all attacks from foes.

Extended Mastery Perks
Style
  • ATK
    ★☆☆★★☆★★★
    +500+800+1000
  • DEF
    ★☆☆★★☆★★★
    5%8%10%
  • Double Attack Rate
    ★☆☆★★☆★★★
    3%5%6%
  • Critical Hit
    ★☆☆★★☆★★★
    12% chance for 12% more DMG20% chance for 20% more DMG25% chance for 25% more DMG
  • Charge Attack Damage
    ★☆☆★★☆★★★
    10%15%20%
RaceCalled "Type" in-game.
  • ATK
    ★☆☆★★☆★★★
    +500+800+1000
  • DEF
    ★☆☆★★☆★★★
    5%8%10%
  • HP
    ★☆☆★★☆★★★
    250500750
  • Critical Hit
    ★☆☆★★☆★★★
    12% chance for 12% more DMG20% chance for 20% more DMG25% chance for 25% more DMG
  • Wind Damage Down
    ★☆☆★★☆★★★
    2%4%5%
Individual
  • ATK
    ★☆☆★★☆★★★
    +500+800+1000
  • Double Attack Rate
    ★☆☆★★☆★★★
    3%5%6%
  • Critical Hit
    ★☆☆★★☆★★★
    12% chance for 12% more DMG20% chance for 20% more DMG25% chance for 25% more DMG
  • Fire ATK Up
    ★☆☆★★☆★★★
    5%8%10%
  • Slight chance to dodge all attacks from foes.

Grid Suggestions

Gameplay Notes

Blitzkrieg

  • 50% Sharp ATK Up (1 time)ATK is sharply boosted
    Strength: 50%Multiplier: AssassinDuration: 1 turn
    also increases normal attack damage cap to ~1,160,000 and C.A. damage cap by 500,000.
  • The strength of Assassin buffs is reduced to 2/3 effectiveness when used with charge attacks.

Blade of Yore

  • Blade of YoreNumber of attacks is increased by 1 / Consumes 50% charge bar before each attack to deal 2-hit DMG to random foes and 2-hit bonus fire DMG to a foe for the next normal attack (Can't be removed)
    Duration: 5 turns
    grants the following effects:[1]
    • Attack Count +1 effect
    • Consumes 50% charge bar before each attack to: Deal 2-hit damage to random foes and 2-hit Bonus Fire damage to a foe (Damage cap: ~300,000 per hit) for the next normal attack

Impetuous Blade

  • Boost to ATKMultiplier: Perpetuity, DEF, and multiattack rate based on Impetuous BladeBased on lvl: ATK, DEF, and multiattack rate are boosted (Max: 5 / Can't be removed)
    Multiplier: Perpetuity
    lvl.[1]
Lvl Status ATK UpMultiplier: Perpetuity DEF Up DA Up TA Up Critical Up
1 Impetuous BladeBased on lvl: ATK, DEF, and multiattack rate are boosted (Max: 5 / Can't be removed)
Multiplier: Perpetuity
10% 10% ? ? -
2 Impetuous BladeBased on lvl: ATK, DEF, and multiattack rate are boosted (Max: 5 / Can't be removed)
Multiplier: Perpetuity
20% 20% ? ? -
3 Impetuous BladeBased on lvl: ATK, DEF, and multiattack rate are boosted (Max: 5 / Can't be removed)
Multiplier: Perpetuity
30% 30% ? ? -
4 Impetuous BladeBased on lvl: ATK, DEF, and multiattack rate are boosted (Max: 5 / Can't be removed)
Multiplier: Perpetuity
40% 40% ? ? -
5 Impetuous BladeBased on lvl: ATK, DEF, and multiattack rate are boosted (Max: 5 / Can't be removed)
Multiplier: Perpetuity
50% 50% 100% 100% 100% / 20%100% chance of dealing 20% more damage.

Deft Blade

  • Auto-activates the skill Blitzkrieg500% Fire damage to a foe (Damage cap: ~635,000).
    Inflict Burned (2000)HP is lowered on every turn
    Strength: 2000Base Accuracy: 100%Duration: 180 seconds
    and DelayReduce a foe's filled charge diamonds by 1
    Base Accuracy: 100%
    .
    Gain 50% Sharp ATK Up (1 time)ATK is sharply boosted
    Strength: 50%Multiplier: AssassinDuration: 1 turn
    .
    upon dodging
    • Activates even if it is on cooldown, and does not put it on cooldown if it's not already.
    • Can only auto-activate once per turn.
  • Boost to skill specs and supplement skill damage based on Deft BladeBased on lvl: Skill DMG and skill DMG cap are boosted / Skill DMG dealt is supplemented (Max: 5 / Can't be removed)
    lvl.[1]
Lvl Status Skill DMG Up Skill DMG Cap Up Skill DMG Supp. Dodge Rate Up
1 Deft BladeBased on lvl: Skill DMG and skill DMG cap are boosted / Skill DMG dealt is supplemented (Max: 5 / Can't be removed)
20% 6% 6000 -
2 Deft BladeBased on lvl: Skill DMG and skill DMG cap are boosted / Skill DMG dealt is supplemented (Max: 5 / Can't be removed)
40% 12% 12,000 -
3 Deft BladeBased on lvl: Skill DMG and skill DMG cap are boosted / Skill DMG dealt is supplemented (Max: 5 / Can't be removed)
60% 18% 18,000 -
4 Deft BladeBased on lvl: Skill DMG and skill DMG cap are boosted / Skill DMG dealt is supplemented (Max: 5 / Can't be removed)
80% 24% 24,000 -
5 Deft BladeBased on lvl: Skill DMG and skill DMG cap are boosted / Skill DMG dealt is supplemented (Max: 5 / Can't be removed)
100% 30% 30,000 20%

Extended Mastery Support Skill

  • Each star increases the chance to dodge any attack.[2]
    • This includes foe's special attacks, with the exception of plain damage.
  • Activates on a turn basis, in contrast to Dodge Rate UpChance to dodge DMG and debuffs
    which rolls per hit.
Rank Dodge Rate
1★ 5%
2★ 8%
3★ 10%

Bonus DMG Stacking Information

  • The following is a curated list of how different Bonus DMG sources interact with Sturm (Grand)'s skills. Check Bonus DMG for further information and a comprehensive list.

Uncap Materials

Uncap 1★
Uncap 2★
Uncap 4★
Uncap 5★

Awakening Materials

Facsimile Compatibility

Icon Skill Copyable?
Blitzkrieg Yes
Sword Switch No
Redouble No
Blade of Yore No

References