| Item Name | Isisium (アイシスメタル) |
| Max Carry | 99 |
| Buy Price | 0z |
| Sell Price | 320z |
| Rarity | 4 |
| How to Get | Mining |
| Description | Material for armor or weapon; Sell it to get resource points; |
| Area Name | Rank | Spot No | ||||||
| Tundra |
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| Rank | Part | Monster Name | Qty |
| Hi Rank | Claw | Glacial Agnaktor | 2 |
| Weapon Type | Production | Weapon Name | Require |
| Great Sword | Upgrade | Buster Blade (バスターブレイド) | 5 |
| Upgrade | Ravager Blade (ブレイズブレイド) | 10 | |
| Upgrade | Chieftains Grt Sword (族長の大剣) | 2 | |
| Long Sword | Create | Tensaiga (鉄砕牙) | 5 |
| Upgrade | Rimeblade (凍刃) | 5 | |
| Upgrade | Rimeblossom (凍刃【氷華】) | 8 | |
| Upgrade | Wroggi Sword (フロギィソード) | 5 | |
| Upgrade | Arzuros Naginata+ (青熊薙改) | 5 | |
| Dual Sword | Upgrade | Dual Hatchets+ (デュアルトマホーク改) | 4 |
| Sword and Shield | Create | Carapace Mace (ドラグロメイス) | 1 |
| Create | Secta Nulo (セクトセロ) | 2 | |
| Upgrade | Shadow Saber (シャドウサーベル) | 4 | |
| Upgrade | Hydra Knife+ (ハイドラナイフ改) | 5 | |
| Upgrade | Hypnos Knife (レムナイフ) | 5 | |
| Upgrade | Secta Nulo (W) (セクトセロブラン) | 5 | |
| Lance | Create | Acrus Lance (クルスランス) | 3 |
| Upgrade | Knight Lance (ナイトランス) | 4 | |
| Upgrade | Rampart (ランパート) | 5 | |
| Upgrade | Acrus Lance (クルスランス) | 2 | |
| Upgrade | Rugged Lance (ラギットランス) | 5 | |
| Hammer | Upgrade | War Hammer+ (ウォーハンマー改) | 5 |
| Upgrade | War Mace (ウォーメイス) | 4 | |
| Upgrade | Frozen Core (フローズンコア) | 3 | |
| Hunting Horn | Upgrade | Type 63 Warmonica (63式軍楽口風琴) | 5 |
| Slash Axe | Upgrade | Amber Slash (アンバースラッシュ) | 4 |
| Bow | Upgrade | Arko Nulo (W) (アルクセロブラン) | 4 |
| Upgrade | Hunte’s Stoutbow I (パワーハンターボウⅠ) | 8 |