| Item Name | Monster Bone L (竜骨【大】) |
| Max Carry | 99 |
| Buy Price | 0z |
| Sell Price | 440z |
| Rarity | 4 |
| How to Get | Boat, Carve |
| Description | Material for armor or weapon |
| Expedition Name | Qty |
| Distant Isle | 2 |
| No-Mans Land | 2 |
| Weapon Type | Production | Weapon Name | Require |
| Great Sword | Create | Valkyrie Blade (ヴァルキリーブレイド) | 5 |
| Create | Golem Blade (ゴーレムブレイド) | 4 | |
| Upgrade | Giant Jawblade (オオアギト) | 5 | |
| Upgrade | Golem Blade (ゴーレムブレイド) | 3 | |
| Long Sword | Create | Drowning Shaft (ドラウンポール) | 1 |
| Create | Cerberus Katana (骨刀【狛牙】) | 1 | |
| Upgrade | Wroggi Sword (フロギィソード) | 2 | |
| Dual Sword | Upgrade | Bloodwings (ブラッドウイング) | 4 |
| Lance | Upgrade | Azure Crest (アズールクレスト) | 2 |
| Upgrade | Longhorn Spear+ (ロングホーン改) | 1 | |
| Upgrade | Longtusk Spear (ロングタスク) | 4 | |
| Upgrade | Plohasta (クルハスター) | 3 | |
| Gun Lance | Upgrade | Type 62 Stormlance (62式突撃銃槍) | 2 |
| Hammer | Create | Bone Bludgeon (ロックボーン) | 5 |
| Create | Hidden Breaker (ヒドゥンブレイカー) | 6 | |
| Create | Ludroth Splashhammer (ドロスボアハンマー) | 3 | |
| Upgrade | Plume Flint (フリントポウク) | 2 | |
| Upgrade | Bone Bludgeon (ロックボーン) | 2 | |
| Hunting Horn | Create | Qurupeco Horn (トランペッコ) | 2 |
| Upgrade | Vicello Nulo (G) (セロヴィセロベルデ) | 3 | |
| Slash Axe | Create | Ground Dasher (グランドダッシャー) | 4 |
| Light Bow Gun | Create | Valkyrie Fire (ヴァルキリーファイア) | 2 |
| Heavy Bow Gun | Create | Type 46 Gunflage I (46式潜伏重砲I) | 2 |
| Bow | Create | Queen Blaster I (クイーンブラスターⅠ) | 1 |