101Leafy researched the games.
Gravios
A large wyvern found in volcanic zones. They possess a fiery breath-attack and the ability to emit a sleeping gas. They also have extremely hard scales that deflect most weapon attacks.
Monster List No. 26
Carving
Number of carvings: 4 (2 per area) (BradyGames, Monster Hunter Official Strategy Guide, 2004, p. 88). The guide (p. 78) splits the carves by Quest Level: early quests are levels 1 to 3, latter quests 4 to 6.
Early quests, Body
| Item | Chance |
|---|---|
| Gravios Shell | 70% |
| Gravios Shell | 5% |
| Sleep Sac | 5% |
| Sleep Sac | 10% |
| Flame Sac | 8% |
| Flame Sac | 2% |
Early quests, Tail
| Item | Chance |
|---|---|
| Gravios Shell | 5% |
| Gravios Shell | 50% |
| Lg Monster Bone | 20% |
| Gravios Shell | 15% |
| Gravios Shell | 8% |
| Gravios Shell | 2% |
Latter quests, Body
| Item | Chance |
|---|---|
| Flame Sac | 9% |
| Gravios Carapace | 45% |
| Gravios Shell | 20% |
| Sleep Sac | 20% |
| Gravios Head | 4% |
| Gravios Wing | 2% |
Latter quests, Tail
| Item | Chance |
|---|---|
| Gravios Shell | 5% |
| Gravios Shell | 30% |
| Gravios Carapace | 50% |
| Gravios Carapace | 5% |
| Gravios Carapace | 8% |
| Firestone | 2% |