| Name | Attribute | Level | Type |
|---|---|---|---|
| Infernal Kormorant Lord | - | 8 | General Monster |
| Inferno Force | - | 58 | General Monster |
| Inferno Force | - | 38 | General Monster |
| Inferno Force | - | 58 | General Monster |
| Inferno Force | - | 38 | General Monster |
| Inferno Force | - | 58 | General Monster |
| Inferno Force | - | 38 | General Monster |
| Inferno Force | - | 38 | General Monster |
| Inferno Force | - | 61 | General Monster |
| Inferno Sprite | 55 | General Monster | |
| Inferno Sprite | 55 | General Monster | |
| Invisible Blue Lizard | 98 | General Monster | |
| Invisible Blue Lizard | 98 | General Monster | |
| Invisible Blue Lizard | 83 | General Monster | |
| Invisible Blue Lizard | 83 | General Monster | |
| Invisible Blue Lizard | 85 | General Monster | |
| Invisible Blue Lizard | 85 | General Monster | |
| Invisible Creatures of Death | - | 1 | General Monster |
| Invisible Creatures of Dim Light | - | 1 | General Monster |
| Invisible Creatures of Dim Light | - | 1 | General Monster |
| Invisible Creatures with Special Effects | - | 1 | General Monster |
| Invisible Monster | - | 99 | General Monster |
| Invisible Monster | - | 99 | General Monster |
| Invisible Monster | - | 99 | General Monster |
| Invisible Monster | - | 99 | General Monster |
| Ironshell Crawler | 63 | General Monster | |
| Island Great Treasure | - | 20 | General Monster |
| Island Treasure | - | 20 | General Monster |
| Ivory Tiger Archers | - | 120 | General Monster |
| Ivory Tiger Bow Corpse | 147 | General Monster | |
| Ivory Tiger Bow Corpse | 147 | General Monster | |
| Ivory Tiger Bow Corpse | 147 | General Monster | |
| Ivory Tiger Bow Corpse | 147 | General Monster | |
| Ivory Tiger Corpse Beast | 157 | General Monster | |
| Ivory Tiger Corpse Beast | 157 | General Monster | |
| Ivory Tiger Corpse Guard | 146 | General Monster | |
| Ivory Tiger Corpse Guard | 146 | General Monster | |
| Ivory Tiger Corpse Guard | 146 | General Monster | |
| Ivory Tiger Corpse Guard | 146 | General Monster | |
| Ivory Tiger Soldier | 101 | General Monster | |
| Ivory Tiger Soldier | - | 120 | General Monster |
| Ivory Tiger goes berserk. | 106 | General Monster | |
| Ivory Tiger goes berserk. | 106 | General Monster | |
| Jade Frog | 70 | General Monster | |
| Jewelry | - | 15 | General Monster |
| Jewelry | - | 20 | General Monster |
| Jewelry | - | 50 | General Monster |
| Jubibloom | 41 | General Monster | |
| Jungle Hunter | 85 | General Monster | |
| Jungle Tiger | 81 | General Monster |