 Jubilee Cake Slice 2020 | Holiday Events / Anniversary Jubilee | 5 |
 Jubilee Cake Slice 2021 | Holiday Events / Anniversary Jubilee | 5 |
 Jubilee Cake Slice 2022 | Holiday Events / Anniversary Jubilee | 5 |
 Jubilee Cake Slice 2023 | Holiday Events / Anniversary Jubilee | 5 |
 Jubilee Cake Slice 2024 | Holiday Events / Anniversary Jubilee | 5 |
| Jubilee Cake Slice 2025 | Holiday Events / Anniversary Jubilee | 5 |
| Jubilee Cake Slice 2026 | Holiday Events / Anniversary Jubilee | 5 |
 Jubilee Confetti Conveyor | Holiday Events / Anniversary Jubilee | 50 |
 Karnwasten Conqueror | Summerset / Exploration | 50 |
 Karnwasten Group Event | Summerset / Exploration | 50 |
 Karnwasten Vanquisher | Summerset / Exploration | 10 |
 Kasorayn, My Ally | Firesong / Tales of Tribute | 15 |
 Keel Hauler | Summerset / Exploration | 10 |
 Keep Capture | Player VS Player / Alliance War | 10 |
 Keep Your Distance | Trials / Rockgrove | 10 |
 Keeper of the Bastion | Necrom / Bastion Nymic | 50 |
 Keeper of the Keys | DLC Dungeons / Scrivener's Hall | 50 |
 Keeping In Sync | Trials / Sunspire | 10 |
 Keeping It Cool | Infinite Archive / Exploration | 15 |
 Keeping the Peace | Deadlands / General | 10 |
| Key Chaser | Recent Seasons / Quests | 10 |
| Key to the Stone | DLC Dungeons / Naj-Caldeesh | 50 |
 Khajiit Slayer | Player VS Player / General | 10 |
| Khajiiti Hunters' Bane | Exploration / Ebonheart Pact | 5 |
 Khartag Point Explorer | Morrowind / Exploration | 5 |
 Khenarthi's Guidance | Dragonhold / Quests | 10 |
 Khenarthi's Roost Angler | Exploration / Fishing | 5 |
 Khenarthi's Roost Pathfinder | Exploration / Aldmeri Dominion | 5 |
 Khenarthi's Skyshard Hunter | Character / Skyshards | 10 |
 Kidding Around | Infinite Archive / Exploration | 15 |
 Kill a Grand Overlord | Player VS Player / Alliance War | 10 |
 Kill Process | Trials / Halls of Fabrication | 10 |
| Kindness Where It Counts | Recent Seasons / Dynamic Encounters | 5 |
 Kindred's Concord Style Master | Necrom / General | 50 |
 King of the Hill | Exploration / Aldmeri Dominion | 5 |
| King's Haven Pass Explorer | Summerset / Exploration | 5 |
 Kingdom Come | Player VS Player / Battlegrounds | 10 |
 Kingmaker | Orsinium / Quests | 15 |
| Kingscrest Cavern Explorer | Exploration / Cyrodiil | 10 |
| Klathzgar Explorer | Exploration / Daggerfall Covenant | 10 |
| Knife Ear Grotto Explorer | Exploration / Ebonheart Pact | 10 |
 Knock 'em Down a Peg | Infinite Archive / Exploration | 10 |
 Knock Knock | DLC Dungeons / Unhallowed Grave | 50 |
 Knot Worthy | Trials / Lucent Citadel | 50 |
| Koeglin Mine Explorer | Exploration / Daggerfall Covenant | 10 |
| Koldane Cartel Style Master | Recent Seasons / General | 50 |
 Korignah's Bane | Exploration / Daggerfall Covenant | 5 |
 Kruz Control | Exploration / Daggerfall Covenant | 5 |
| Kuna's Delve Explorer | Exploration / Aldmeri Dominion | 10 |
 Kvatch Murder Spree | Dark Brotherhood / Exploration | 5 |