101Leafy researched the games.
Heartshot Bow I

Beautiful hunting Bow made from Pink Rathian shell with equally beautiful ability.
| Class | Bow |
|---|---|
| Rarity | 7 |
| Attack | 240 |
| Affinity | 10% |
| Slots | 0 |
| Table price | 13,450z |
Upgrades
| Upgraded from | Queen Blaster II |
|---|---|
| Upgrades into | Heartshot Bow 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 800.
Materials
Pnk Rathian Cpc ×3, Pnk Rathian Scl+ ×5, Rathian Spike+ ×1, Carbalite Ore ×6