| Unit 6
| 10 | 10-60
| | | | Mechagon |
| United As One
| 45 | 45
| | | 10 11
| Priest Campaign |
| United As One
| 45 | 45
| | | 20 22
| Paladin Campaign |
| United In Pride
| 60 | 60
| | | | Covenant Assaults |
| Uniting Kul Tiras
| 50 | 50
| | | 25 74
| Alliance War Campaign |
| Uniting Kul Tiras
| 50 | 50
| | | 25 74
| Alliance War Campaign |
| Uniting the Isles
| 45 | 45
| | | | World Quest |
| Uniting the Isles
| 45 | 45
| | | | World Quest |
| Uniting Zandalar
| 50 | 50
| | | 25 74
| Horde War Campaign |
| Uniting Zandalar
| 50 | 50
| | | 25 74
| Horde War Campaign |
| Unity
| 60 | 60
| | | 12 87
| Abominable Stitching |
Universal Remote-Explode
Daily | 15 | 15-35
| | | 13 74
| Landfall |
| Unknowable Power
| 40 | 40
| | | 16 98
| Tanaan Jungle |
| Unknown Assailants
| 10 | 10-56
| | | 2 57
| Ardenweald |
| Unleash Hell
| 10 | 10-35
| | | 13 74
| The Jade Forest |
| Unleash the Beast
| | 1-20
| | | 5 35
| Gilneas |
| Unleash the Beasts
| 30 | 30-60
| | | 51 48
| Vol'dun |
| Unleash the Raptors
| 15 | 15-30
| | | 10 50
| Dustwallow Marsh |
| Unleash The Yeti!
| 20 | 20-35
| | | 13 74
| Kun-Lai Summit |
Unleashed Spirits
Daily | 90 | 90
| | | 13,690 XP
11 40
| Vale of Eternal Blossoms |
| Unleashed Steel
| 20 | 20-40
| | | 1 69
| Talador |
| Unleashing Judgment
| 10 | 10-45
| | | 20 22
| Artifact |
| Unleashing the Elements
| 45 | 45
| | | 20 22
| Shaman Campaign |
| Unlikely Allies
| 30 | 30-60
| | | 12 87
| Vol'dun |
| Unlikely Seduction
| 45 | 45
| | | 20 22
| Artifact |
| Unlimited Potential
| 30 | 30-35
| | | 13 74
| Uldum |
| Unliving Summons
| 50 | 50
| | | 2 80
| Heritage |
| Unlock "A Siege of Worlds."
| | | | | | |
| Unlock "Angelic"
| | | | | | |
| Unlock "Cold Mountain."
| | | | | | |
| Unlock "Curse of the Worgen"
| | | | | | |
| Unlock "Darkmoon Carousel"
| | | | | | |
| Unlock "Exodar"
| | | | | | |
| Unlock "Faerie Dragon"
| | | | | | |
| Unlock "Ghost"
| | | | | | |
| Unlock "Gnomeregan"
| | | | | | |
| Unlock "Heart of Pandaria."
| | | | | | |
| Unlock "High Seas."
| | | | | | |
| Unlock "Invincible"
| | | | | | |
| Unlock "Ironforge."
| | | | | | |
| Unlock "Karazhan Opera House"
| | | | | | |
| Unlock "Lament of the Highborne"
| | | | | | |
| Unlock "Legends of Azeroth."
| | | | | | |
| Unlock "Magic"
| | | | | | |
| Unlock "Mountains of Thunder"
| | | | | | |
| Unlock "Mountains"
| | | | | | |
| Unlock "Mulgore Plains."
| | | | | | |
| Unlock "Night Song."
| | | | | | |
| Unlock "Orgrimmar."
| | | | | | |
| Unlock "Rescue the Warchief"
| | | | | | |
| Unlock "Shalandis Isle"
| | | | | | |
| Unlock "Silvermoon"
| | | | | | |
| Unlock "Silvermoon"
| | | | | | |
| Unlock "Song of Liu Lang"
| | | | | | |
| Unlock "Stormwind."
| | | | | | |
| Unlock "The Argent Tournament"
| | | | | | |
| Unlock "The Black Temple"
| | | | | | |
| Unlock "The Burning Legion."
| | | | | | |
| Unlock "The Shattering."
| | | | | | |
| Unlock "The Zandalari"
| | | | | | |
| Unlock "Tinkertown"
| | | | | | |
| Unlock "Totems of the Grizzlemaw"
| | | | | | |
| Unlock "Undercity."
| | | | | | |
| Unlock "Unlock Thunder Bluff."
| | | | | | |
| Unlock "War March."
| | | | | | |
| Unlock "Way of the Monk"
| | | | | | |
| Unlock "Wrath of the Lich King."
| | | | | | |
| Unlock "Zul'Gurub Voo Doo"
| | | | | | |
| Unlocked Chao
| 90 | 90
| | | | Townlong Steppes |
| Unlocked Lao-Chen
| 90 | 90
| | | | Townlong Steppes |
| Unlocked Yalia Sagewhisper
| 90 | 90
| | | | Townlong Steppes |
| Unlocking History
| 20 | 20-60
| | | 25 74
| Drustvar |
| Unlocking Magical Treasures
| 60 | 60-70
| | | | Dragonscale Expedition |
| Unlocking Our Past
| 60 | 60-70
| | | | The Waking Shores |
| Unlocking Our Past
| 60 | 60-70
| | | 56 18
| The Waking Shores |
| Unlocking Our Past
| 60 | 60-70
| | | | The Waking Shores |
| Unlocking Our Past
| 60 | 60-70
| | | | The Waking Shores |
| Unlocking the Compendium
| 25 | 25-30
| | | 10 50
| Netherstorm |
| Unlocking the Gates
| 60 | 60
| | | | Oribos |
| Unlocking the Power
| 50 | 50
| | | 2 34
| Heart of Azeroth |
| Unlocking the Power
| 50 | 50
| | | 2 34
| Heart of Azeroth |
| Unlocking the Secrets Within
| 32 | 32-35
| | | | Firelands Invasion |
| Unlocking Your Potential [PH]
| 15 | 15
| | | 2,090 XP
7
| Inscription |
| Unmasked
| 50 | 50-60
| | | 51 48
| Ardenweald |
| Unmasking the Yaungol
| 20 | 20-35
| | | 27 48
| Kun-Lai Summit |
Unmodern Jewelry
Weekly | 70 | 70
| | | | Emerald Dream |
| Unnatural Causes
| 30 | 30-35
| | | 3 43
| Deepholm |
| Unnatural Consequences
| 45 | 45
| | | 20 22
| Hunter Campaign |
| Unnecessary Duress
| 30 | 30-60
| | | 25 74
| Stormsong Valley |
| Unparalleled Power
| 45 | 45
| | | 20 22
| Warlock Campaign |
| Unplug L'ghorek
| 30 | 30-35
| | | 13 74
| Abyssal Depths |
| Unpowered Tools
| 60 | 60-70
| | | | The Azure Span |
Unprofitable Ventures
Daily | 10 | 10-60
| | | 46 80
| Mechagon |
| Unraveling the Mystery
| 15 | 15-30
| | | | Silithus |
| Unreliable Allies
| 10 | 10-35
| | | 13 74
| The Jade Forest |
| Unruly Neighbors
| 15 | 15-30
| | | 10 50
| Terokkar Forest |
| Unsafe Passage
| 15 | 15-35
| | | 13 74
| Krasarang Wilds |
Unsafe Work Conditions
Daily | 10 | 10-60
| | | 23 40
| Mechagon |
| Unsafe Workplace
| 10 | 10-56
| | | 38 61
| Ardenweald |
| Unsavory Remedies
| 5 | 5-30
| | | 10 50
| Darkshore |
