 Unity is Power! | — | — | 3 | 100 |
 Uniglabella Staff | Staff | 5 | 2 | 250 |
 Unicorn Belt | Elemental Belt | 135 | 15 | 34,425 |
| Unicorn Belt | Elemental Belt | 135 | 15 | 38,080 |
| Unicorn Belt | Elemental Belt | 135 | 15 | 42,500 |
 Undine Wench Pet Egg | — | — | 32 | 1 |
| Undine Tide Mistress Pet Egg | — | — | 61 | 1 |
| Undine Syren Pet Egg | — | — | 41 | 1 |
| Undine Supreme Pet Egg | — | — | 37 | 1 |
 Undine Strike | — | — | — | 1 |
| Undine Seawitch Pet Egg | — | — | 37 | 1 |
| Undine Queen Pet Egg | — | — | 37 | 1 |
| Undine Princess Pet Egg | — | — | 33 | 1 |
 Undine Orb | — | — | — | — |
| Undine Mystic Pet Egg | — | — | 87 | 1 |
| Undine Keeper of Mysteries Egg | — | — | 60 | 1 |
| Undine Immortal Pet Egg | — | — | 45 | 1 |
| Undine Enchantress Pet Egg | — | — | 35 | 1 |
| Undine Elemental Pet Egg | — | — | 36 | 1 |
 Underworld Blood | — | — | — | 10 |
 Understand Between | — | — | — | 1 |
 Underspring Water | — | — | — | 3,160 |
 Underestimated Resolve | — | — | — | 100 |
 Undelivered Love Letter | — | — | — | 5,000 |
 Undead Bulbfish | — | — | 1 | 1 |
 Undead Box | — | — | — | — |
 Undead Bear | — | — | 1 | 1 |
 Uncle Beetle | — | — | — | — |
 Unchained Sorrow | Arcane Footwear | 92 | 12 | 21,900 |
| Unchained Sorrow | Arcane Footwear | 98 | 12 | 24,585 |
 Unceasing Soil | — | — | — | — |
 Unceasing Love | — | — | 1 | 10 |
 Uncanny Crystal | — | — | — | 1 |
 Uncanny Chest | — | — | — | — |
 Unbreakable Necklace | Protection Necklace | 132 | 15 | 37,620 |
| Unbreakable Necklace | Protection Necklace | 132 | 15 | 41,705 |
| Unbreakable Necklace | Protection Necklace | 132 | 15 | 46,645 |
 Umbrella | — | — | — | 1 |
 Ultrafin Supreme's Skin | — | — | — | — |
 Ultima Wood | — | — | — | 1 |
| Ultimate Wood | — | — | — | — |
 Ultimate Water Orb | — | — | — | — |
 Ultimate Substance | — | — | — | 100 |
| Ultimate Stone | — | — | — | — |
 Ultimate Silk | — | — | — | 1 |
 Ultimate Orbs | — | — | — | 100 |
 Ultimate Jade | — | — | — | 1 |
 Ultimate Glue | — | — | — | — |
 Ultimate Fire Orb | — | — | — | — |
 Ultima Steel | — | — | — | 1 |