| Name | Attribute | Level | Type |
|---|---|---|---|
| Osprae | - | 98 | Elite Monster |
| Osprae | - | 29 | Elite Monster |
| Osprae | - | 99 | Elite Monster |
| Osprae | - | 3 | Elite Monster |
| Osprae | - | 4 | Elite Monster |
| Osprae | - | 28 | Elite Monster |
| Osprae | - | 100 | Elite Monster |
| Osprae | - | 101 | Elite Monster |
| Osprae | - | 102 | Elite Monster |
| Osprae | - | 103 | Elite Monster |
| Osprae | - | 104 | Elite Monster |
| Osprae | - | 140 | Elite Monster |
| Osprae | - | 105 | Elite Monster |
| Osprae | - | 106 | Elite Monster |
| Osprae | - | 107 | Elite Monster |
| Osprae | - | 108 | Elite Monster |
| Osprae | - | 27 | Elite Monster |
| Osprae | - | 109 | Elite Monster |
| Osprae | - | 110 | Elite Monster |
| Osprae | - | 111 | Elite Monster |
| Osprae | - | 112 | Elite Monster |
| Osprae | - | 113 | Elite Monster |
| Osprae | - | 114 | Elite Monster |
| Osprae | - | 115 | Elite Monster |
| Osprae | - | 116 | Elite Monster |
| Osprae | - | 117 | Elite Monster |
| Osprae | - | 118 | Elite Monster |
| Osprae | - | 119 | Elite Monster |
| Osprae | - | 26 | Elite Monster |
| Osprae | - | 37 | Elite Monster |
| Osprae | - | 80 | Elite Monster |
| Osprae | - | 36 | 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 |