| Name | Attribute | Level | Type |
|---|---|---|---|
| Infernal Envoy Lemar | 61 | Boss Monster | |
| Infernal Claws Godfray | 71 | Boss Monster | |
| Infernal Bomb | - | 55 | General Monster |
| Infernal Bomb | - | 55 | General Monster |
| Indicate arrow. | - | 99 | General |
| Imprisoned Soul Samira | - | 1 | General |
| Imprisoned Soul Keller | - | 1 | General |
| Imprisoned Soul Alberto | - | 1 | General |
| Imprisoned Evil | - | 61 | Elite Monster |
| Imprisoned Elves | - | 1 | General |
| Impish Sprite | 39 | General Monster | |
| Impish Sprite | - | 39 | General Monster |
| Imperial Tomb Statues | 141 | General Monster | |
| Imperial Tomb Statues | 141 | General Monster | |
| Imperial Tomb Mechanism | - | 165 | General Monster |
| Imperial Tomb Mechanism | - | 165 | General Monster |
| Imperial Tomb Clay Figurine | 136 | General Monster | |
| Imperial Tomb Clay Figurine | 136 | General Monster | |
| Imperial Ruby Sorceress | 63 | General Monster | |
| Imperial Ruby Sorceress | 63 | General Monster | |
| Imperial Ruby Sorceress | 70 | General Monster | |
| Imperial Ruby Sorceress | 63 | General Monster | |
| Imperial Ruby Sorceress | 63 | General Monster | |
| Imperial Ruby Sorceress | 63 | General Monster | |
| Imperial Ruby Sorceress | 68 | General Monster | |
| Imperial Ruby Sorceress | 63 | General Monster | |
| Imperial Ruby Sorceress | 68 | General Monster | |
| Imperial Phalanx | 68 | General Monster | |
| Imperial Phalanx | 63 | General Monster | |
| Imperial Phalanx | 63 | General Monster | |
| Imperial Phalanx | 63 | General Monster | |
| Imperial Iron Cavalry | 120 | Boss Monster | |
| Imperial Iron Cavalry | 120 | Boss Monster | |
| Imperial Iron Cavalry | - | 1 | General |
| Imperial Iron Cavalry | - | 1 | General |
| Imperial Iron Cavalry | 71 | Elite Monster | |
| Imperial Buck Selanar | 61 | Boss Monster | |
| Immortal Guard | 76 | General Monster | |
| Immobile box | - | 70 | Interactive |
| Immobile Lukzin | - | 5 | General |
| Immaculate Flower | - | 1 | Interactive |
| Illuminating Shore | - | 1 | General |
| Ikanu | - | 1 | General |
| Iguana Priest | 83 | General Monster | |
| Iguana Priest | 85 | General Monster | |
| Icy Scaled Lion | 78 | General Monster | |
| Icy River Fisherman Jack | - | 70 | General |
| Icy Pierce | 87 | Elite Monster | |
| Icy Pierce | 82 | Elite Monster | |
| Icy Lake Leader Noah | - | 1 | General |