101Leafy researched the games.
Pop Corn

Scenes of country living pop into mind with an explosive power. Shelling Lv3
| Class | Gunlance |
|---|---|
| Rarity | 6 |
| Attack | 414 |
| Slots | 3 |
| Price | 40,000z |
Upgrades
| Upgrades into | Large Pop Corn |
|---|
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 760.
Materials
Giant Corn ×2, Inferno Sac ×5, Ivy ×10, Commendation G ×1