Ranking of the strongest characters in Kaiju No. 8 The Game, including a Character Tier list, evaluations, and information on the most powerful character in K8 The Game.
Table of Contents
Best Character Tier List
Reno is the Strongest
The strongest character in Kaiju No. 8 is Reno Ichikawa. He is notable for the extra damage from his Ice Crystal effect, allowing him to deal damage even outside of his own turn.
Characters with Clear Strengths are Valued
Characters with rare abilities are highly valued for their efficiency and versatility. For example, Kaiju No. 8 delivers exceptionally high damage without relying on Weapons or Uniparts, keeping training costs low. Meanwhile, Gen Narumi's dual attributes make it easier to inflict Core Exposed, further increasing his strategic utility.
Use the Web Store for Purchases
If you plan to make in-game purchases, the Web Store offers better deals than the in-app store. Packs come with free Dimensional Crystals, giving you 10% more than buying them in-game.

Which Character Do You Think is Best?
Best SS Rank Character Tier List
Reno Ichikawa (The Compatible User)

Reno is a striker who deals additional damage with the Ice Crystal state. He can delay the action order with Freeze and recover SP through his passive skill. Including him in your team greatly expands your strategic options.
Reno Ichikawa (5-Star) GuideKaiju No. 8 (Fortitude 9.8)

Kaiju No. 8 is a high-damage striker with a powerful self-buff mechanic. His Fighting Spirit buff accumulates through both actions and damage taken, stacking permanently up to five times for substantial offensive scaling. He can also instantly defeat small Kaiju with 50% HP or less, allowing for faster and smoother stage progression.
Kaiju No. 8 (5-Star) GuideGen Narumi (Japan's Strongest Combatant)

Narumi is a striker capable of performing well across various scenarios, from mob battles to boss encounters. Both his Combat Skill and Ultimate Skill target adjacent enemies, and his dual attributes, Slash and Ranged, allow him to effectively break physical resistances.
Gen Narumi (5-Star) GuideBest S-A Rank Character Tier List
S Rank
Name | Reasons |
---|---|
![]() | - ATK and CRIT DMG buffs that stack up to 3 times - Can inflict a Defense Debuff with Ultimate - Requires careful timing when using Ultimate Ability |
![]() | - Guaranteed Critical Hit after landing 3 actions - Increased damage against Giant-class Kaiju - Ultimate ability grants damage reduction |
![]() | - Increased Critical Hit rate - Increased damage against small-sized Kaiju - Effective in Boss Battles thanks to powerful Ultimate |
![]() | - The only 5-star Defender in the game right now - Protects allies with a shield - Boosts damage dealt by all squad members |
Strong but Below SS Rank
S Rank characters may lack the versatility of higher-ranked units, but they remain highly effective in challenging content. Depending on the Kaiju, they can outperform SS Rank characters in terms of damage output or by enabling unique strategies.
A Rank
Name | Reasons |
---|---|
![]() | - An AoE Attacker who excels in small-sized Kaiju skirmishes - Gains bonus damage with every Kaiju hit - Defeating a Kaiju recharges Ultimate Gauge |
![]() | - A Supporter that can greatly boost allies' firepower - Can also deal good damage using her Ultimate ability - Easy to use even at A0 |
![]() | - A partner-focused Supporter - Can remove debuffs - High Critical Hit rate |
![]() | - A valuable character who can provide Recovery to allies - Increases Recovery for allies with low HP - Can increase charge rate for Ultimate Gauges, helping your squad unleash finishers faster |
![]() | - Increases allied members' ATK simply by joining the squad - Provides damage and speed buffs - Transforms into one of the strongest buffers in the game once Ascended |
Useful with the Right Team
A Rank characters can perform well depending on your team composition, the enemies you face, and the content. In the early game, when your roster is limited, they may even serve as core members of your main team.
Tier List Criteria
Evaluation Details
Criteria | Priority/Details |
---|---|
DPS | ★★★★★ - High damage output |
Versatility | ★★★★・ - Team composition flexibility |
Rarity | ★★★・・ - Few alternatives |
Low Ascension | ★★★・・ - Contribution at Low Ascension Stage |
Highest Priority on Damage Output
In Kaiju No. 8, being a turn-based RPG, higher damage output shortens battles and speeds up progression. For this reason, a character's damage potential is the primary factor in our evaluations.
High Rating for Versatility
In Kaiju No. 8, teams consist of four members, so role distribution within the team is important. Buffers and healers who perform well in any team setup are rated more highly.
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