The largest and most prized of Lagiacrus scales. Boosts the efficacy of equipment.
| Village 6★ // Drawing the Waterline | Reward1 | x1 | 4% |
| Village 9★ // Lagiacrus x Width x Height | Reward1 | x1 | 3% |
| Village 9★ // Lagiacrus x Width x Height | Sub | x1 | 3% |
| Village 9★ // Sky Tribe: Rice to the Occasion | Reward1 | x1 | 3% |
| Village 9★ // Sky Tribe: Rice to the Occasion | Sub | x1 | 3% |
| Hub 6★ // The Fisherman's Fiend | Reward1 | x1 | 3% |
| Hub 6★ // The Fisherman's Fiend | Sub | x1 | 3% |
| Special Permit // Stonefist VII: Capture | Sub | x1 | 3% |
| Village 5★ // Lagiacrus Fuss | Reward1 | x1 | 1% |
| Village 5★ // Lagiacrus Fuss | Sub | x1 | 1% |
| Village 5★ // The Fisherman's Fiend | Reward1 | x1 | 1% |
| Village 5★ // The Fisherman's Fiend | Sub | x1 | 1% |
| Hub 3★ // Lagiacrus Lethargy | Reward1 | x1 | 1% |
| Hub 3★ // Lagiacrus Lethargy | Sub | x1 | 1% |
| Hub 3★ // Lagiacrushed | Reward1 | x1 | 1% |
| The Fisherman's Fiend | Reward2 | x1 | 3% |
| In Search of Nargacuga | Reward2 | x1 | 2% |
| Lagiacrus Lethargy | Reward2 | x1 | 1% |
| Dual Blades | Twin Acrus LV3 | x1 |
| Charge Blade | Lagia Storm LV3 | x1 |
| Hunting Horn | Lagia Horn LV3 | x1 |
| Heavy Bowgun | Lagia Blitz LV2 | x1 |
| Light Bowgun | Thundacrus LV2 | x1 |
| Long Sword | Thunderclap LV3 | x1 |
| Great Sword | High Lagia Blade LV5 | x2 |
| Sword & Shield | High Lagia Sword LV5 | x2 |
| Hammer | High Vortex Hammer LV5 | x2 |
| Lance | High Acrus Lance LV5 | x2 |
| Bow | Voltsender LV2 | x1 |
| Switch Axe | High Bolt Axe LV5 | x2 |
| Gunlance | Lagia Burst LV3 | x1 |