Eiji Hasegawa (Right-Hand Man of the Strongest) is a 4-Star character in Kaiju No. 8 The Game (K8 The Game). Learn about skill upgrade priority, best build, and team comps.
Table of Contents
Basic Info & Tier for Eiji Hasegawa (Right-Hand Man of the Strongest)
![]() | Rarity | 4★ |
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Type | ![]() ![]() | |
Inflicted Ailment | Stun | |
Role | Attacker | |
How to Get | Gacha |
Eiji Hasegawa [Right-Hand Man of the Strongest] is a Blunt and Shot-type Attacker. He can raise his own Critical Hit rate and can ramp up his own damage output.
Tier & Rating
Overall Tier | Reroll Tier |
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![]() ▶ Character Tier List | - ▶ Reroll Tier List |
User Score
Pros & Cons for Eiji Hasegawa (Right-Hand Man of the Strongest)
Stops Enemies by Inflicting Stun
Eiji is an Attacker who can inflict Stun with his Combat Skill. In addition to stopping the target's movements and delaying their attacks, he also increases CRIT DMG, contributing to overall damage output.
Has His Own Critical Hit Buff
Eiji accumulates Progress when an ally activates a Combat Skill or Follow-Up Skill, and by consuming 5 Progress, he gets a buff to his CRIT Rate and damage. Since the condition is easy to meet and the buff lasts for 2 turns, he is an easy-to-use Attacker.
High-Damage Follow-Up Skill
Eiji's Passive Skill increases the Multiplier and DMG dealt of his Follow-Up Skill. Since he can also deal high damage with Follow-Ups, it's effective to aim for Core Exposed with his Battle Buddy.
Best Team Comps for Eiji Hasegawa (Right-Hand Man of the Strongest)
Critical Hit Squad Setup
This squad setup pairs Hoshina, who consistently lands Critical Hits, with Eiji, whose Stun ability complements Hoshina's playstyle. By stunning enemies, Eiji increases the chance of Hoshina's attacks landing as CRIT, allowing the team to maximize overall CRIT DMG output.
Best Squad Setup & Recommended TeamsBest Weapons for Eiji Hasegawa (Right-Hand Man of the Strongest)
Best Weapon is PS-Dobermann 52

Currently, only Eiji is proficient with Powered Suits, and there is only one 3-Star and one 4-Star type available. PS-Dobermann 52 is effectively Eiji's custom weapon, so you should generally equip this one.
PS-Dobermann 52 - Stats & How to GetBest Unipart for Eiji Hasegawa (Right-Hand Man of the Strongest)
Recommended Unipart
Uniparts | Reasons |
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![]() | - Utilizes own Critical Hit buff - Enhance damage output with a buff before the Ultimate |
Recommended Stats by Part
Arms | Body | Legs |
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ATK | CRIT Rate CRIT DMG | Shot/Blunt DMG Dealt |
Best Skill Enhance Priority for Eiji Hasegawa (Right-Hand Man of the Strongest)
Recommended Skill Upgrade Priority
Normal Attack | ★・・・・ |
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Combat Skill | ★★★・・ |
Ultimate | ★・・・・ |
Follow-Up Skill | ★★・・・ |
Passive Skill | ★★★★・ |
The Passive Skill that increases both CRIT Rate and CRIT DMG is excellent, so it has a high enhancement priority. The Combat Skill’s Stun is also strong, so enhancing its firepower as a bonus isn’t a bad idea.
However, Eiji currently lacks a clear role or niche, so there’s no need to invest in raising him unless you want to.
Normal Attack
Efficient Shot | ||
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- Deals Shot DMG equal to 55% of this unit's ATK to a single Kaiju. | ||
Ult Gauge Charge | Attack Type | Attack Range |
51 | Shot | ST Attack |
Combat Skill
Powered Blow | |||
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- Deals Blunt DMG equal to 116% of this unit's ATK to a single Kaiju. - After attacking, has an 80% base chance to apply Stun (1 turn(s)) to the target. | |||
SP Cost | Ult Gauge Charge | Attack Type | Attack Range |
1 | 76 | Blunt | ST Attack |
Ultimate
Magnificent Bombardment | ||
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- Deals Shot DMG equal to 89% of this unit's ATK to all Kaiju. | ||
Ult Gauge Limit | Attack Type | Attack Range |
300 | Shot | AoE Attack |
Follow-Up Skill
Efficient Snipe | ||
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- Deals Shot DMG equal to 55% of this unit's ATK to a single Kaiju. | ||
Ult Gauge Charge | Attack Type | Attack Range |
60 | Shot | ST Attack |
Passive Skills
Acting Commander
Effect |
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- After an ally activates Combat Skill or Follow-Up Skill, applies 1 stack(s) of to this unit. Max 5 stack(s). - When is at its max stacks, applies CRIT Rate +16.5% (2 turn(s)) and CRIT DMG +33% (2 turn(s)) to this unit. - After applying buff(s) to this unit based on the effect of , consumes all . |
Additional Passive Skills
Simplicity and Strength |
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Required Character Lv. Limit: Lv. 40 - This unit's Follow-Up Skill DMG Multiplier +50%. |
Proficiency in Neutralization |
Required Character Lv. Limit: Lv. 60 - This unit's Follow-Up Skill DMG dealt +18%. |
According to Plan |
Required Character Lv. Limit: Lv. 80 - After defeating a Kaiju, applies ATK +20% (2 turn(s)) to this unit. |
Ascension Priority & Effects for Eiji Hasegawa (Right-Hand Man of the Strongest)
A1 | Recommendation: ★★★・・ Rapid Advance - - Each time this unit destroys a PLT, Ultimate Gauge +15. |
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A2 | Recommendation: ★★★★★ Command Multitasking - - After activating Combat Skill, has a |
A3 | Recommendation: ★★★・・ Acting Captain Duties - Normal Attack, Passive Skill Lv. +2. - Normal Attack, Passive Skill max Lv. +2. |
A4 | Recommendation: ★★★★★ Frontline Deployment[br- max stack count -1.] |
A5 | Recommendation: ★★★・・ First Division's Hard Worker - Combat Skill, Ultimate, Follow-Up Skill Lv. +2. - - Combat Skill, Ultimate, Follow-Up Skill max Lv. +2. |
A6 | Recommendation: ★★★・・ Solid Competence - After activating Follow-Up Skill, advances this unit's next Action Order by 50%. |
Eiji is excellent for having an SP Recovery effect at A2. Also, at A4, the number of Progress stacks required is reduced, making it easier to gain a CRIT buff.
Eiji Hasegawa Profile
Profile

Affiliation | First Division |
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Birthday | 8/24 |
Height | 6'11 (210 cm) |
Likes | Order, cleanliness, silence, symmetrical things |
Introduction
Eiji Hasegawa is the Vice-Captain of the Japan Defense Force's First Division, handling most of the division's leadership duties on behalf of Captain Narumi. Though officially the vice-captain, he treats Narumi as an equal, frequently reprimanding him for his careless behavior and occasionally taking direct action to keep him in line. |
Voice Actor
VA | Hiroki Yasumoto |
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Notable Roles | - One Punch Man (King) - Bleach (Chad) - Shield Hero (Elhart) |
Eiji Hasegawa is voiced by Hiroki Yasumoto.
Kaiju 8 The Game Related Guides

Character Guides
5-Star Characters
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