101Leafy researched the games.
Rajang Club

Club-like sword made to release thunder. When danger lurks, thunder strikes.
| Class | Sword |
|---|---|
| Rarity | 7 |
| Attack | 294 |
| Thunder | 100 |
| Affinity | -30% |
| Slots | 1 |
| Table price | 80,000z |
Upgrades
| Upgraded from | Osteon Pick+ |
|---|---|
| Upgrades into | Taboo Rajang Club |
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 702.
Materials
Rajang Horn ×2, Rajang Claw ×2, Blk Rajang Pelt ×4, Commendation ×4