101Leafy researched the games.
Glorious Victory I

White Bow said to hold the soul of an ancient dragon. Cleanses away the darkness.
| Class | Bow |
|---|---|
| Rarity | 8 |
| Attack | 276 |
| Dragon | 240 |
| Slots | 0 |
| Price | 80,000z |
Upgrades
| Upgraded from | Black Bow II |
|---|---|
| Upgrades into | Glorious Victory II |
Can also be made new at the smithy.
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 802.
Materials
Wht Fatalis Horn ×4, Wht Fatalis Scl ×2, Wht Fatalis Shl ×1