101Leafy researched the games.
Gravios Roar

Bowgun shaped like a Black Gravios. Bullets roar out of its gaping mouth.
| Class | Heavy Bowgun |
|---|---|
| Rarity | 7 |
| Attack | 324 |
| Defense | +15 |
| Slots | 0 |
| Price | 7,900z |
Materials
Blk Gravios Cpc ×8, Blk Gravios Skl ×1, Gravios BrainStm ×1, Hrd Monster Bone ×2