101Leafy researched the games.
Wyvern Blade "Holly"

Dark green blade made from Rathian material. Incredibly sharp and powerful.
| Class | Long Sword |
|---|---|
| Rarity | 7 |
| Attack | 864 |
| Poison | 400 |
| Slots | 1 |
| Table price | 70,000z |
Upgrades
| Upgraded from | Wyvern Blade "Verde" |
|---|---|
| Upgrades into | WyvernBlade"Silver" |
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 692.