| Challenge Incursion Breaker III | Recent Seasons / Challenge Difficulty | 15 |
 Challenge of the Centurion | Orsinium / Exploration | 10 |
 Challenge World Defender I | Recent Seasons / Challenge Difficulty | 5 |
 Challenge World Defender II | Recent Seasons / Challenge Difficulty | 10 |
 Challenge World Defender III | Recent Seasons / Challenge Difficulty | 15 |
 Champion | Player VS Player / Battlegrounds | 15 |
 Champion Fracturer | DLC Dungeons / Bedlam Veil | 50 |
 Champion of Anequina | Elsweyr / Quests | 50 |
 Champion of Apocrypha | Necrom / Quests | 50 |
 Champion of Blackwood | Blackwood / Quests | 50 |
 Champion of Evening Star | Character / Champion | 50 |
 Champion of High Isle | High Isle / Quests | 50 |
 Champion of Last Seed | Character / Champion | 50 |
 Champion of Rahni'Za | Quests / Craglorn | 15 |
 Champion of Rain's Hand | Character / Champion | 50 |
 Champion of Solitude | Greymoor / Quests | 50 |
| Champion of Solstice | Solstice / Quests | 50 |
 Champion of the Gold Road | Gold Road / Quests | 50 |
 Champion of the Green | Character / Class | 50 |
 Champion of Vivec | Morrowind / Quests | 50 |
 Champion's Champion | Greymoor / Exploration | 10 |
 Chaos Ball Carnage | Player VS Player / Battlegrounds | 5 |
 Chaos Champion | Player VS Player / Battlegrounds | 5 |
 Chaos Guardian | Player VS Player / Battlegrounds | 5 |
 Charging Champion | Player VS Player / Battlegrounds | 10 |
 Chasing Shadows | Quests / Main Quest | 10 |
 Chaurus Egg | Crafting / Alchemy | 5 |
 Cheater Defeater | Morrowind / Exploration | 10 |
 Cheydinhal Adventurer | Quests / Cyrodiil | 10 |
 Chid-Moska Ruins Explorer | Exploration / Ebonheart Pact | 10 |
| Chill Hollow Explorer | Exploration / Ebonheart Pact | 10 |
| Chillwind Depths Explorer | Greymoor / Exploration | 5 |
 Chimera | Firesong / Tales of Tribute | 5 |
 Chiseling out Corruption | DLC Dungeons / Earthen Root Enclave | 50 |
| Chiselshriek Mine Explorer | Exploration / Craglorn | 10 |
 Chitin Accumulator | Character / Trophies | 10 |
| Chorrol Weynon Priory Adventurer | Quests / Cyrodiil | 10 |
 Chosen of Fate | Gold Road / Prologue | 10 |
 Chosen of the Whitestrake | Holiday Events / Whitestrake's Mayhem | 10 |
 Chronic Chronologer | Murkmire / General | 50 |
 Churug's Chagrin | Summerset / Abyssal Geysers | 10 |
 Citizen | Housing / Property | 15 |
 City of Ash I Assassin | Dungeons / City of Ash I | 50 |
 City of Ash I Conqueror | Dungeons / City of Ash I | 15 |
 City of Ash I Survivor | Dungeons / City of Ash I | 50 |
 City of Ash I Vanquisher | Dungeons / City of Ash I | 10 |
| City of Ash II Assassin | Dungeons / City of Ash II | 50 |
| City of Ash II Conqueror | Dungeons / City of Ash II | 15 |
| City of Ash II Vanquisher | Dungeons / City of Ash II | 10 |
 Claim Jumper | High Isle / Exploration | 10 |