101Leafy researched the games.
Daimyo's Warbow III

Unique Bow that resembles a Daimyo Hermitaur. Capable of sharp attacks.
| Class | Bow |
|---|---|
| Rarity | 4 |
| Attack | 180 |
| Water | 120 |
| Slots | 2 |
| Price | 4,600z |
Upgrades
| Upgraded from | Daimyo's Warbow II |
|---|---|
| Upgrades into | Daimyo's Warbow IV |
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.