| Name | Level | Stat | Type |
|---|---|---|---|
| Undead King | 125 | DEF +4 | Enemy Kills |
| Undead King | 125 | DEF +4 | Enemy Kills |
| Under Control | 95 | SPD +16 | Enemy Kills |
| Under Dick Milli | 50 | - | Main Quests |
| Under Grolain | 50 | - | Main Quests |
| Under Minyin | 50 | - | Main Quests |
| Under Monteblot | 50 | - | Main Quests |
| Under Mystoge | 50 | - | Main Quests |
| Under Naga Liya | 50 | - | Main Quests |
| Under Nagawin | 50 | - | Main Quests |
| Under Sir Campbell's | 50 | - | Main Quests |
| Under Sir Chamantt | 50 | - | Main Quests |
| Under Star Ken | 50 | - | Main Quests |
| Under Trena | 50 | - | Main Quests |
| Under Yue | 50 | - | Main Quests |
| Under the Blue Moon | 10 | - | Other |
| Under the red leaves. | 10 | - | Other |
| Under the sunshine | 10 | - | Other |
| Under-Repaired | 85 | ATK +8 | Enemy Kills |
| Undercover | 48 | Max HP +40 | Enemy Kills |
| Undercurrent | - | - | Treasure Hunter |
| Underestimated | 100 | Max HP +40 | Enemy Kills |
| Underestimated | 130 | Max HP +40 | Enemy Kills |
| Underline | 100 | SPD +16 | Conversations |
| Underling | 57 | SPD +16 | Conversations |
| Underrated | 45 | EVA +16 | Enemy Kills |
| Unearth ancient | - | - | Hidden Quests |
| Unemployed | 58 | Max HP +40 | Enemy Kills |
| Unenhanced. | - | SPD +8 | Event |
| Unexpected | 95 | SPD +16 | Enemy Kills |
| Unfaithful | 48 | SPD +16 | Conversations |
| Unfamiliar | - | - | Senshi |
| Unfathomable. | 80 | ATK +8 | Character Growth |
| Unforeseeable | 75 | Max HP +40 | Enemy Kills |
| Unforgettable | 48 | Max HP +40 | Enemy Kills |
| Unfortunate | 10 | - | Astral Adventures |
| Unfriendly | 8 | ATK +8 | Enemy Kills |
| Ungraspable | 95 | ATK +8 | Enemy Kills |
| Unibrowed | 55 | DEF +4 | Enemy Kills |
| Unicorn Bug | 71 | EVA +16 | Enemy Kills |
| Unidentified | - | - | Gathering |
| Unimaginable | - | - | Alchemy |
| Unimaginable | 60 | Max HP +40 | Enemy Kills |
| Unintimidated | 55 | EVA +16 | Enemy Kills |
| Unique | - | - | Gathering |
| Unique | - | - | Crafting |
| Unique craftsmanship | - | - | Alchemy |
| Unisolated | 91 | DEF +4 | Enemy Kills |
| United | - | - | Cooking |
| Universal | - | - | Crafting |