| Name | Attribute | Level | Type |
|---|---|---|---|
| Osprae | - | 61 | Elite Monster |
| Osprae | - | 135 | Elite Monster |
| Osprae | - | 136 | Elite Monster |
| Osprae | - | 137 | Elite Monster |
| Osprae | - | 62 | Elite Monster |
| Osprae | - | 138 | Elite Monster |
| Osprae | - | 139 | Elite Monster |
| Osprae | - | 70 | Elite Monster |
| Osprae | - | 140 | Elite Monster |
| Osprae | - | 141 | Elite Monster |
| Osprae | - | 63 | Elite Monster |
| Osprae | - | 142 | Elite Monster |
| Osprae | - | 143 | Elite Monster |
| Osprae | - | 144 | Elite Monster |
| Osprae | - | 145 | Elite Monster |
| Osprae | - | 146 | Elite Monster |
| Osprae | - | 64 | Elite Monster |
| Osprae | - | 147 | Elite Monster |
| Osprae | - | 65 | Elite Monster |
| Osprae | - | 68 | Elite Monster |
| Osprae | - | 89 | Elite Monster |
| Osprae | - | 40 | Elite Monster |
| Osprae | - | 41 | Elite Monster |
| Osprae | - | 148 | Elite Monster |
| Osprae | - | 69 | Elite Monster |
| Osprae | - | 66 | Elite Monster |
| Osprae | - | 67 | Elite Monster |
| Osprae | - | 149 | Elite Monster |
| Ossifighter Boney Prince Charlie | 56 | Elite Monster | |
| Otherworld Judge Frasho | 72 | Boss Monster | |
| Otherworld Walker Crime | 65 | World Boss | |
| Otherworld Walker Punishment | 65 | World Boss | |
| Otherworldly Eye Demon | - | 1 | General Monster |
| Otherworldly Goblin | - | 1 | General |
| Otherworldly Goblin | 83 | General Monster | |
| Otherworldly Goblin Grandmaster | 80 | General Monster | |
| Out of control cavalry | 58 | General Monster | |
| Out of control cavalry | 58 | General Monster | |
| Out of control fighter | 58 | General Monster | |
| Out of control fighter | 58 | General Monster | |
| Out of control mercenary | 58 | General Monster | |
| Out of control mercenary | 58 | General Monster | |
| Outer Box 1 | - | 1 | Interactive |
| Outer Box 10 | - | 1 | Interactive |
| Outer Box 11 | - | 1 | Interactive |
| Outer Box 12 | - | 1 | Interactive |
| Outer Box 2 | - | 1 | Interactive |
| Outer Box 3 | - | 1 | Interactive |
| Outer Box 4 | - | 1 | Interactive |
| Outer Box 5 | - | 1 | Interactive |