| Name | Level | Stat | Type |
|---|---|---|---|
| Uncontrollable | - | - | Alchemy |
| Uncontrollable | 93 | ATK +8 | Enemy Kills |
| Uncontrollable | 8 | ATK +8 | Enemy Kills |
| Unconscious | 100 | Max HP +40 | Astral Adventures |
| Unconscious | 80 | Max HP +40 | Astral Adventures |
| Unclear | - | - | Farming |
| Unclean | 70 | Max HP +40 | Enemy Kills |
| Uncle Sausage | 75 | EVA +16 | Enemy Kills |
| Uncle Ben | - | - | Crafting |
| Uncle | - | - | Senshi |
| Unbridled Wild Horse | 68 | DEF +4 | Enemy Kills |
| Unbridled | 88 | EVA +16 | Enemy Kills |
| Unbending | 88 | ATK +8 | Enemy Kills |
| Unbending | 70 | Max HP +40 | Enemy Kills |
| Unbending | 78 | ATK +8 | Enemy Kills |
| Unbelievable. | - | - | Alchemy |
| Unbeaten | 18 | DEF +4 | Enemy Kills |
| Unbearable | 70 | DEF +4 | Enemy Kills |
| Unassertive | 40 | - | Astral Adventures |
| Unappetizing. | 101 | SPD +16 | Conversations |
| Unapologetic | - | - | Cooking |
| Unaffiliated | 55 | CRIT +4 | Enemy Kills |
| Unable to jump. | - | DEF +2 | Event |
| Unable to gain insight | 85 | - | Treasure Hunter |
| Unable to find a girlfriend. | 105 | ATK +8 | Conversations |
| Ultimatum | 83 | CRIT +4 | Enemy Kills |
| Ultimate | 60 | Max HP +40 | Enemy Kills |
| Ultimate | 30 | - | Enemy Kills |
| Ugly cute. | 40 | Max HP +40 | Enemy Kills |
| Ugly Duckling | 43 | Max HP +40 | Enemy Kills |
| Tyrant | 48 | Max HP +40 | Astral Adventures |
| Tyrannical | 1 | - | Astral Adventures |
| Typo-Filled | - | - | Gathering |
| Tycoon | 18 | Max HP +40 | Enemy Kills |
| Two-Headed Spirit | 1 | Max HP +40 | Enemy Kills |
| Two-Handed | 30 | ATK +8 | Character Growth |
| Two-Faced | 28 | ATK +8 | Enemy Kills |
| Two Heads | 1 | ATK +8 | Enemy Kills |
| Twitchy | - | - | Farming |
| Twisted | - | - | Treasure Hunter |
| Twinkling | 48 | ATK +8 | Hidden Quests |
| Twin-Tailed | 20 | Max HP +40 | Enemy Kills |
| Twin Divine Messengers | - | - | Senshi |
| Twin | 8 | ATK +8 | Enemy Kills |
| Twilight atmosphere. | 108 | ATK +8 | Enemy Kills |
| Tutor | 100 | - | Other |
| Turn the tide of fate. | - | DEF +12 | Event |
| Turn on the switch. | 100 | Max HP +40 | Astral Adventures |
| Turn bad luck into good luck. | - | EVA +8 | Event |
| Turkey Terminator | - | - | Event |