Ax‐Bison 91 is a 4-Star Axe weapon in Kaiju No. 8 The Game (K8 The Game). This guide covers its stats, effect, and recommended characters.
Table of Contents
Ax‐Bison 91 Stats & Effect

| Rarity | 4★ |
|---|---|
| Weapon Type | Ax |
Effect
| Effect Hit Rate (%) +14% - The equipped unit's DMG dealt from Additional DMG +12%. |
Base Stats
| HP | ATK | DEF |
|---|---|---|
| 40 | 33 | 22 |
Recommended Characters for Ax‐Bison 91
The Best Character is Soshiro (Ax Technique Proficiency)
| Character | Evaluation |
|---|---|
Soshiro Hoshina | - A Slash Support capable of AoE Attacks - Contributes to ally damage by increasing ally DMG dealt with his Passive Skill & increasing DMG taken with his Ultimate. - In addition to applying Additional Damage with Fear, he can also increase DMG taken from Additional Damage. |
The best character for Ax‐Bison 91 is Soshiro Hoshina (Ax Technique Proficiency). Because its weapon effect increases Effect Hit Rate and DMG dealt by Additional Damage, it is an excellent substitute weapon for Ax-0087 which is obtainable from the Soshiro (Ax Technique Proficiency) Pickup Gacha.
How to Get Ax‐Bison 91
How to Get
- Exchanged for Interlude Note [Time of Radiant Splendor] *Until Sunday, February 8, 2026
Available from the Interlude Note Shop

| Shop Event Period | Jan 8, 2026 7:00 PM - Feb 7, 2026 6:59 PM (PST) |
|---|
Ax‐Bison 91 can be obtained from the [Interlude Note] Exchange Shop in the Special Event "The Weapon Within". To exchange for it, you need to collect "Interlude Note (The Weapon Within)," which can be obtained from the Special Event.
Special Event Guide and RewardsKaiju 8 The Game Related Guides

5-Star Weapons
| Obtained from Gacha / Weapon Exchange | |||
|---|---|---|---|
Ax-0112 | T-25101985 | SW-2033 | GS-3305 |
Fs-1002 | GG-5012 | AR-Boreas | SH-Iuggnil |
SW-Susanoo | Fs-Magni | AR-Anollococ | GS-Oyamatsumi |
T-Dionysus | Fs-Baldr | Lc-0039 | GS‐Xmas25 |
Ax-Xmas25 | AR-Xmas25 | AR-Gnijiluh | Ax-0087 |
| Exchanged for Proof of Valor | |||
Ax-Var | AR-Hyperion | AR-Crius | T-Oceanus |
SW-Takeminakata | GS-Takamimusubi | ||
| Obtained from Battle Pass | |||
Ax-Dellingr | AR-Cronus | T-Rhea | SW-Ameno Torifune |
GS-Amatsu Mikaboshi | GG-Iapetus | Fs-Vidar | Lc-Brunhild |
SH-Xnihps | |||
4-Star Weapons
| Obtained from Gacha | |||
|---|---|---|---|
AR-Lynx 75 | PS-Dobermann 52 | Ax-Mantis 21 | AR-Narwhal 59 |
AR-Octopus 58 | AR-Panther 33 | AR-Honeybee 84 | T-Tiger 15 |
SW-Fox 48 | SW-Crow 93 | GS-Orca 70 | GG-Squirrel 02 |
Fs-Grizzly 83 | AR-Squid 62 | Lc-Rhinoceros 01 | HG-Xmas25 |
| Obtained from Beginner's Guide | |||
HG-Beetle 15 | |||
| Obtained from Events | |||
AR-Hound 64 | Fs-Gaur 28 | Ax‐Bison 91 | |