|  | Underbelly Whelp Scale Common · Quest | 1 | | Quest | | Common | | |
|  | Undercity Cockroach Common · Companion Pet | 30 | | Companion Pet | | Common | | 12 silver 50 copper |
|  | Undercity Gift Collection Common · Holiday | 1 | 1 | Holiday | | Common | Crafted | |
|  | Undercity Library Card Common · Other | 10 | | Other | | Common | | |
|  | Undercity Mint Common · Quest | 1 | | Quest | | Common | | |
|  | Undercity Pledge Collection Common · Holiday | 1 | | Holiday | | Common | Crafted | |
|  | Undercity Reservist's Cap Uncommon · Leather · Head | 47 | | Leather | Head | Uncommon | | 70 silver 94 copper |
|  | Undermine Clam Chowder Common · Food & Drink | 45 | 35 | Food & Drink | | Common | Crafted | 1 silver |
|  | Undermine Satchel Common · Junk | 1 | | Junk | | Common | | |
|  | Undertow Legguards Uncommon · Mail · Legs | 40 | | Mail | Legs | Uncommon | | 86 silver 65 copper |
|  | Underwater Mushroom Cap Common · Food & Drink | 35 | 25 | Food & Drink | | Common | | 3 silver |
|  | Unfilled Blue Waterskin Common · Quest | 1 | 1 | Quest | | Common | | |
|  | Unfilled Brown Waterskin Common · Quest | 1 | 1 | Quest | | Common | | |
|  | Unfilled Red Waterskin Common · Quest | 1 | 1 | Quest | | Common | | |
|  | Unfinished Masterwork Sword Common · Quest | 1 | 1 | Quest | | Common | | |
|  | Unfinished Skeleton Key Common · Quest | 1 | | Quest | | Common | Crafted | |
|  | Unfired Ancient Blade Epic · Quest | 1 | | Quest | | Epic | | |
|  | Unfired Plate Gauntlets Rare · Quest | 60 | | Quest | | Rare | | |
|  | Unforged Rune Covered Breastplate Rare · Quest | 60 | | Quest | | Rare | | |
|  | Unforged Seal of Ascension Common · Quest | 1 | | Quest | | Common | | |
|  | Unhatched Green Dragon Egg Common · Quest | 25 | | Quest | | Common | | |
|  | Unhatched Jubling Egg Common · Junk | 35 | | Junk | | Common | | |
|  | Unhatched Sprite Darter Egg Common · Quest | 1 | | Quest | | Common | | |
|  | Unholy Icon Common · Quest | 10 | | Quest | | Common | | |
|  | Unidentified Artifact Common · Junk | 1 | | Junk | | Common | | |
|  | Unidentified Ore Common · Quest | 1 | | Quest | | Common | | |
|  | Uninfected Root Sample Common · Quest | 1 | 55 | Quest | | Common | | |
|  | Unknown Reward Common · Quest | 1 | | Quest | | Common | | |
|  | Unlit Poor Torch Common · Other | 10 | | Other | | Common | | 2 copper |
| | Unlit Torch Common · Quest | 1 | | Quest | | Common | | |
|  | Unloaded Zapper Common · Quest | 1 | | Quest | | Common | | |
|  | Unpainted Mechanostrider Rare · Mount | 40 | 40 | Mount | | Rare | | |
|  | Unpopped Darkmist Eye Common · Quest | 1 | | Quest | | Common | | |
|  | Unprepared Sawtooth Flank Common · Quest | 1 | | Quest | | Common | | |
|  | Unrefined Ore Sample Common · Quest | 1 | | Quest | | Common | | |
|  | Unruptured Stalker Gland Common · Quest | 1 | 1 | Quest | | Common | | |
|  | Unsanctified Grenade Common · Consumable | 52 | | Consumable | | Common | Crafted | 15 silver |
|  | Unsigned Field Duty Papers Common · Quest | 60 | 58 | Quest | | Common | | |
|  | Unstable Elemental Core Common · Other | 1 | | Other | | Common | | 2 silver |
|  | Unstable Microfilament Uncommon · Cloth | 40 | | Cloth | | Uncommon | | |
|  | Unstable Potion Common · Quest | 1 | | Quest | | Common | | |
|  | Unstable Trigger Common · Parts | 40 | | Parts | | Common | Crafted | 10 silver |
|  | Unstoppable Boots, Legs, and Shoulders Set Epic · Junk | 55 | | Junk | | Epic | | 12 copper |
| | Unstoppable Gloves and Belt Set Epic · Junk | 55 | | Junk | | Epic | | 12 copper |
| | Unstoppable Helm and Chestpiece Set Epic · Junk | 55 | | Junk | | Epic | | 12 copper |
|  | Unstudied Artifact Common · Quest | 1 | | Quest | | Common | | |
|  | Unsullied Owl Statuette Rare · Other | 60 | 60 | Other | | Rare | | |
|  | Untainted Giblets Common · Quest | 60 | | Quest | | Common | | |
|  | Untainted Seed Common · Quest | 1 | | Quest | | Common | | |
|  | Untainted Soil Common · Quest | 60 | | Quest | | Common | | |
