A gem only rarely plucked from a Lagiacrus. Craft with it to boost Resistances.
| Paralyzing Peril | Reward2 | x1 | 3% |
| The Fisherman's Fiend | Reward2 | x1 | 1% |
| In Search of Nargacuga | Reward2 | x1 | 1% |
| Dual Blades | Levin Acrus LV5 | x1 |
| Charge Blade | Vankrom Blade LV5 | x1 |
| Hunting Horn | Lagia Thunderpeal LV5 | x1 |
| Heavy Bowgun | Thunderblitz Cannon LV4 | x1 |
| Light Bowgun | Thundacrus Rex LV3 | x1 |
| Long Sword | Heaven's Thunder LV5 | x1 |
| Long Sword | Barbarian "Sharq" LV3 | x1 |
| Great Sword | Exlagia Blade LV7 | x2 |
| Great Sword | Lagia Wildfire LV3 | x1 |
| Sword & Shield | Exlagia Sword LV7 | x2 |
| Sword & Shield | Takemikazuchi LV3 | x1 |
| Sword & Shield | Ikazuchi Works LV3 | x1 |
| Hammer | Giga Vortex Hammer LV7 | x2 |
| Hammer | Vortastrophe LV3 | x1 |
| Hammer | Giga Thunder Works LV3 | x1 |
| Lance | Exacrus Lance LV7 | x2 |
| Lance | Stormy Doris LV3 | x1 |
| Bow | High Voltsender LV4 | x1 |
| Switch Axe | Extreme Bolt Axe LV7 | x2 |
| Switch Axe | Megavolt Axe LV3 | x1 |
| Gunlance | Exlagia Gunlance LV5 | x1 |