101Leafy researched the games.
PressurizedPlesiothG

Crafted with the latest methods, it looks the same, but causes G-Level damage.
| Class | Heavy Bowgun |
|---|---|
| Rarity | 9 |
| Attack | 396 |
| Slots | 1 |
| Price | 10,000z |
Materials
Commendation S ×1, ThckPlesiothScl ×10, Ancient Fish ×10, Hrd Monster Bone ×20