101Leafy researched the games.
Daimyo's Warbow I

Unique Bow that resembles a Daimyo Hermitaur. Capable of sharp attacks.
| Class | Bow |
|---|---|
| Rarity | 3 |
| Attack | 144 |
| Water | 80 |
| Slots | 1 |
| Price | 2,300z |
Upgrades
| Upgrades into | Daimyo's Warbow II |
|---|
Upgrade tree from モンスターハンターポータブル 2nd G 公式ガイドブック (Enterbrain, 2008), page 798.
Materials
Hermitaur Shell ×4, Plesioth Scale ×4, Sm Hermitaur Shl ×10, Earth Crystal ×8