| Name | Level | Stat | Type |
|---|---|---|---|
| Old fart | 100 | EVA +16 | Enemy Kills |
| Omniscient | 102 | Max HP +40 | Enemy Kills |
| Omnivorous | 55 | Max HP +40 | Enemy Kills |
| On the water. | 105 | CRIT +4 | Enemy Kills |
| One Punch | 85 | EVA +16 | Enemy Kills |
| One-Eyed | 48 | SPD +16 | Enemy Kills |
| One-Horned Giant | 78 | DEF +4 | Enemy Kills |
| One-eyed | 58 | CRIT +4 | Enemy Kills |
| Onigiri | 60 | ATK +8 | Enemy Kills |
| Opening Song | 98 | DEF +4 | Enemy Kills |
| Operator | 80 | SPD +16 | Enemy Kills |
| Operator | 60 | Max HP +40 | Enemy Kills |
| Opportunity Cost | 70 | Max HP +40 | Enemy Kills |
| Orator | 28 | SPD +16 | Enemy Kills |
| Orchid Dream | 103 | DEF +4 | Enemy Kills |
| Origin | 118 | DEF +4 | Enemy Kills |
| Origin of Life | 108 | Max HP +40 | Enemy Kills |
| Original | 98 | ATK +8 | Enemy Kills |
| Original | 90 | ATK +8 | Enemy Kills |
| Original Sinners | 115 | Max HP +40 | Enemy Kills |
| Orphan | 118 | ATK +8 | Enemy Kills |
| Out of the Gate | 90 | ATK +8 | Enemy Kills |
| Outstanding acting | 40 | CRIT +4 | Enemy Kills |
| Oven | 93 | ATK +8 | Enemy Kills |
| Overcautious | 93 | Max HP +40 | Enemy Kills |
| Overfire | 85 | SPD +16 | Enemy Kills |
| Overheated | 98 | Max HP +40 | Enemy Kills |
| Overloaded | 60 | ATK +8 | Enemy Kills |
| Overloaded | 108 | EVA +16 | Enemy Kills |
| Overloaded | 98 | Max HP +40 | Enemy Kills |
| Overloader | 98 | DEF +4 | Enemy Kills |
| Overlord | 103 | Max HP +40 | Enemy Kills |
| Overlord's | 103 | ATK +8 | Enemy Kills |
| Overpriced | 28 | DEF +4 | Enemy Kills |
| Overtaking | 65 | CRIT +4 | Enemy Kills |
| Overweight | 98 | EVA +16 | Enemy Kills |
| Overweight | 70 | Max HP +40 | Enemy Kills |
| Overworked | 88 | Max HP +40 | Enemy Kills |
| Owner | 90 | Max HP +40 | Enemy Kills |
| Pacific | 1 | CRIT +4 | Enemy Kills |
| Pacing | 65 | EVA +16 | Enemy Kills |
| Painful | 10 | - | Enemy Kills |
| Paradise | 90 | EVA +16 | Enemy Kills |
| Paralyzed | 85 | Max HP +40 | Enemy Kills |
| Paramour | 63 | EVA +16 | Enemy Kills |
| Park-Loving | 48 | EVA +16 | Enemy Kills |
| Part-time Hunter | 30 | - | Enemy Kills |
| Partner | 8 | Max HP +40 | Enemy Kills |
| Party Leader | 50 | Max HP +40 | Enemy Kills |
| Passer | 85 | CRIT +4 | Enemy Kills |