Stats
| Attack | 988 |
|---|---|
| Affinity | 0% |
| Rarity | 6 |
| Slots | 3 |
| Element | Thunder 420 (hidden) |
| Defense | +10 |
| Sharpness | red 110 · orange 120 · yellow 40 · green 50 · blue 80 |
Crafting materials
Total cost of Grandrock II: it comes from a 8-step upgrade chain, and crafting the final weapon means going through all of them. The total below sums the whole tree.
Full set total
- Quality Bone ×32
- Monster Hardbone ×10
- Monster Keenbone ×8
- Monster Bone M ×7
- Monster Bone+ ×4
- Sturdy Bone ×4
- Elder Dragon Bone ×4
- Monster Bone S ×3
- Monster Bone L ×2
- Boulder Bone ×2
- Ancient Bone ×1
- Dragonbone Relic ×1
Upgrade path
| Step | Crafting materials |
|---|---|
| Bone Bludgeon I (craft) | Monster Bone S ×1 |
| Bone Bludgeon II (upgrade) | Monster Bone S ×2 |
| Bone Bludgeon III (upgrade) | Monster Bone M ×2, Ancient Bone ×1 |
| Fossil Bludgeon I (upgrade) | Monster Bone L ×1, Monster Bone M ×5, Boulder Bone ×2 |
| Fossil Bludgeon II (upgrade) | Monster Bone+ ×2, Monster Bone L ×1, Sturdy Bone ×4 |
| Fossil Bludgeon III (upgrade) | Monster Keenbone ×2, Monster Bone+ ×2, Quality Bone ×2 |
| Grandrock I (upgrade) | Monster Hardbone ×4, Monster Keenbone ×6, Quality Bone ×10 |
| Grandrock II (upgrade) | Elder Dragon Bone ×4, Monster Hardbone ×6, Quality Bone ×20, Dragonbone Relic ×1 |