GS-Oyamatsumi is a 5-Star Gunsword weapon in Kaiju No. 8 The Game (K8 The Game). This guide covers its stats, effect, and recommended characters.
Table of Contents
GS-Oyamatsumi Stats & Effect

Rarity | 5★ |
---|---|
Weapon Type | Gunsword |
Effect
CRIT DMG (%) +48% - Each time the equipped unit attacks a Core Exposed Kaiju, applies DEF PEN Rate +4% to the equipped unit. Max 3 stack(s). - After the equipped unit activates Combat Skill, applies Shot DMG dealt +15% (2 turn(s)) to the equipped unit. |
Base Stats
HP | ATK | DEF |
---|---|---|
60 | 40 | 26 |
Recommended Characters for GS-Oyamatsumi
The Best Character is Gen (Future Sight)
Character | Evaluation |
---|---|
![]() | - Has 2 Attributes: Slash and Shot - Can fight while increasing his own DMG - Recovers SP with his Combat Skill against a Core Exposed Kaiju - Easy to use his Ultimate, and can randomly break Plates with its Seen Through state |
The best character for GS-Oyamatsumi is Gen Narumi (Future Sight). The weapon boosts CRIT DMG, so pair it with Uniparts and Supporters that enhance his CRIT Rate for maximum damage.
How to Get GS-Oyamatsumi
How to Get
- Gacha
Available From Gacha
GS-Oyamatsumi can be obtained from the Gacha.
Kaiju 8 The Game Related Guides

5-Star Weapons
Obtained from Gacha / Weapon Exchange | |||
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Exchanged for Proof of Valor | |||
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Obtained from Battle Pass | |||
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4-Star Weapons
Obtained from Gacha | |||
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Obtained from Beginner's Guide | |||
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