101Leafy researched the games.
Nightmare Battle
- Goal
- Slay 2 Gravios
- Failure
- Reward Zero Time Over
- Stars
- 5
- Area
- Great Arena
- Time limit
- 50 min
- Contract fee
- 600z
- Reward
- 11,200z
- Taken off per faint
- 3,800z
- Monsters
- Gravios
Requestor: Arena Manager
The Arena! A place to show your skills to the world! Steel your heart against the inner demons of fear and doubt to slay two Gravios!
Quest rewards
| Name | Count | Chance |
|---|---|---|
| Gravios Carapace | 2 | 1% |
| Gravios Carapace | 1 | 25% |
| Sm Bone Husk | 48 | 20% |
| Monster Bone+ | 4 | 20% |
| Lg Bone Husk | 12 | 15% |
| Lg Monster Bone | 6 | 13% |
| Gravios Wing | 1 | 5% |
| Gravios Head | 1 | 1% |
| Name | Count | Chance |
|---|---|---|
| Gravios Shell | 2 | 75% |
| Gravios Carapace | 2 | 25% |
Rows in bold are always received.
Source: 魔物獵人PORTABLE 完全攻略本 (青文出版社, 2006), p. 363