Jura Igarashi (Grit and Duty)

Jura Igarashi (Grit and Duty)

Supporter
Blunt
Fire
Iron Ball

Review

Jura Igarashi (Grit and Duty)
Profile Update

Jura Igarashi “Grit and Duty” is a Support unit in Kaiju No. 8 The Game focused entirely on DoT (Damage over Time) team enhancement, and one of the most impactful upgrades to this playstyle so far. While she’s given for free (base copy), her true power scales significantly with minimal investment—especially her first ascension.

Her kit revolves around enabling and amplifying burn-based damage. With her Combat Skill, she applies “Hot Blooded” to all allies, granting ATK, SPD, and DMG Dealt buffs, making her a strong general support at baseline. However, her real value lies in her DoT synergy.

Her Ultimate applies Burn (DoT) and introduces Afterburn, a unique mechanic that triggers an additional DoT instance equal to a percentage of the total DoT damage applied. This is what defines her: she doesn’t just add DoT—she multiplies the effectiveness of all existing DoT sources in the team.

This makes her a core unit in DoT compositions, synergizing extremely well with characters like Akari or other burn/electric DoT units. At higher investment (especially Ascension 1), she can nearly double total DoT damage output, making her a meta-defining support for this archetype.

She also provides utility like DEF penetration, faster Ultimate generation, and team-wide DoT multipliers, further reinforcing her role as a specialized offensive support.

However, her strength is very team-dependent. Outside of DoT comps, her value drops significantly compared to universal supports. Additionally, her first dupe (Ascension 1) is almost mandatory to unlock her full potential, which slightly offsets the advantage of receiving her for free.

Pros

  • Massive DoT amplification, capable of nearly doubling total DoT damage
  • Unique Afterburn mechanic adds extra DoT instances based on total damage
  • Strong synergy with DoT teams, especially burn-based comps
  • Free base copy, making her accessible to all players

Cons

  • Highly niche – loses significant value outside DoT teams
  • Ascension 1 is almost mandatory to unlock her true potential
  • Relies on specific team compositions to shine
  • Requires investment (weapon/dupe) to reach top-tier performance

Best Weapons

SB-7137
#1
SB-7137
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#2
SB-Stegosaurus
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Best Uniparts

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Spider-Type Unipart α
ATK and HIT Rate

Active Skills

Skill 1: Herculean Toss

Blunt

Deals Blunt DMG equal to 55% of this unit's ATK to a single Kaiju.

Charge: 60
Range: ST Attack

Skill 2: Hot-Blooded Impact

Blunt Fire
  • Before attacking, applies Hot-Blooded (2 turn(s)) to all allies.
  • Deals Blunt and Fire DMG equal to 54% of this unit's ATK to a single Kaiju and the adjacent Kaiju.
  • Hot-Blooded: Target's DMG dealt +20.3%, ATK +16%, SPD +11.
Charge: 90
Range: Blast Attack

Skill 3: Zenith Plunge

Blunt Fire
  • Deals Blunt and Fire DMG equal to 146% of this unit's ATK to a single Kaiju and the adjacent Kaiju.
  • After attacking, has a 65% base chance to apply Burn (3 turn(s)) to the target.
  • [object Object]
Range: Blast Attack

Follow-Up Skill: Blazing Slugger

Blunt Fire

Deals Blunt and Fire DMG equal to 77% of this unit's ATK to a single Kaiju.

Charge: 60
Range: ST Attack

Passive Skill

Commanding Grit

  • After activating Normal Attack, applies Effect Hit Rate +12.1% (2 turn(s)) to all allies.
  • After activating Ultimate, applies Afterburn (3 turn(s)) to the target.
  • Afterburn: When target takes DoT, triggers 1 additional instance of DoT equal to 22% of the total DoT the target is currently receiving.

Passive Skills

Renowned Capability

Lv. 40

After turn arrives, this unit's Ultimate Gauge +15.

Unflagging Spirit

Lv. 60

When an ally attacks a Kaiju in Afterburn state, the ally's DEF PEN Rate +18%.

Boundless Brawn

Lv. 80

When this unit's Effect Hit Rate is 70% or more, all allies' DoT DMG Multiplier +20%.

Ascension

A1

Infectious Zeal

Afterburn Effect Multiplier +40%

A2

Seething Hot Blood

At the start of wave, applies Afterburn (3 turns) that is the same as Passive Skill's to all Kaiju.

A3

Iron-Clad Trust

  • Normal Attack, Passive Skill Lv. +2.
  • Normal Attack, Passive Skill max Lv. +2.
A4

All at Once

  • Burn applied by Ultimate will apply all Kaiju.
  • At the start of wave, has a 65% base chance to apply Burn (3 turns) with the same effect amount as Ultimate's to all Kaiju.
A5

Strongest Big Sis

  • Ultimate, Passive Skill, Follow-Up Skill Lv. +2.
  • Ultimate, Passive Skill, Follow-Up Skill Max Lv. +2.
A6

Grit-Fueled Push

  • Afterburn applied by Passive Skill will apply to all Kaiju.
  • When an ally attacks a Kaiju that already has a debuff or status ailment, the ally's ATK +30%.