| Item Name | Monster Slogbone (重竜骨) |
| Max Carry | 99 |
| Buy Price | 0z |
| Sell Price | 1,320z |
| Rarity | 8 |
| How to Get | Reward, Carve |
| Description | Material for armor or weapon |
| First Item | Second Item | Item Result | Chance | Qty Result |
| Monster Slogbone (重竜骨) | Expand Pickaxe (フエールピッケル) | Monster Slogbone (重竜骨) | 100% | 2 |
| Rank | Monster Name | Qty |
| G Rank | Lagiacrus | 1 |
| Rust Duramboros | 2 | |
| 4 | Ivory Lagiacrus | 1 |
| Rank | Part | Monster Name | Qty |
| G Rank | Body | Qurupeco | 1 |
| Body | Crimson Qurupeco | 1 |
| Weapon Type | Production | Weapon Name | Require |
| Great Sword | Upgrade | Blade of Tartarus (剛断剣タルタロス) | 3 |
| Upgrade | Lordly Deathcap (大毒断マッシュロード) | 3 | |
| Long Sword | Upgrade | Verdant Splash (ヴェルデスラッシュ) | 3 |
| Upgrade | Wasserfallis (ヴァッサーファロス) | 3 | |
| Upgrade | Asthenia Glaive (アステニアグレイブ) | 3 | |
| Dual Sword | Upgrade | Midnight Blackwings (旋風連刃【裏黒翼】) | 4 |
| Upgrade | Ventus Vindictus (暴風刃クロウェンティ) | 4 | |
| Sword and Shield | Upgrade | Plague Tabar (プレイグタバルジン) | 3 |
| Lance | Upgrade | Giga Sassoboros (ギガベルクコルン) | 3 |
| Gun Lance | Upgrade | Fading Night (夜銃槍【残月】) | 3 |
| Upgrade | Virnar Gunlance (ギリーガンランス) | 4 | |
| Upgrade | End of Night (猛風銃槍【裏残月】) | 4 | |
| Hammer | Upgrade | Peco Igniter (ペッコニッション) | 2 |
| Upgrade | Dire Envenodroth (妖毒鎚ヴェノロアブル) | 2 | |
| Upgrade | Barroth Grandbasher (大撃鎚ボルボダンガー) | 3 | |
| Upgrade | Uragantic Hammer (爆鎚ジャイガン) | 4 | |
| Slash Axe | Upgrade | Nights Crescent (闇夜剣斧【弦月】) | 3 |
| Upgrade | Axe of Hades (ハデス) | 4 | |
| Upgrade | Helios Crusher (ヘリオスクラッシャー) | 3 | |
| Light Bow Gun | Upgrade | Gobul Ganador (チャナ=ガルナ) | 3 |
| Upgrade | Horn of Taurus (猛牛弩【一角】) | 3 | |
| Heavy Bow Gun | Upgrade | Paco Pico Peco (パッチペッカー) | 2 |
| Bow | Upgrade | Gigantomachy (剛重弓ギガントマキア) | 4 |