| Cabal Champions (Grimoire Card) | ?? | |
| Cabal Shield (Grimoire Card) | ??? | |
| Calcified Fragments: Curiosity (Grimoire Card) | ?? | |
| Calcified Fragments: Insight (Grimoire Card) | ?? | |
| Captain (Grimoire Card) | Killing Captain enemies | All Characters earn more Glimmer when Fallen Captains are killed with a Ether Seeds consumable active. |
| Cathedral of Dusk (Grimoire Card) | ?? | |
| Cayde's Stash (Grimoire Card) | ?? | |
| Centurion (Grimoire Card) | Killing Centurion enemies | All characters earn more Glimmer when Centurions are killed with a Resupply Codes active. |
| Cerberus Vae III (Grimoire Card) | Completing the Cerberus Vae III Strike | |
| Challenge of the Elders (Grimoire Card) | ?? | |
| Chamber of Night (Grimoire Card) | Completing the Story Mission Chamber of Night | |
| Chroma (Grimoire Card) | Adding Chroma to any piece of gear | |
| Clash (Grimoire Card) | Participate in Clash | Cloaks, marks, and bonds can now drop in Clash. Tournament Tickets also become more common. |
| Cleaver (Grimoire Card) | ??? | |
| Colossus (Grimoire Card) | Killing Colossus enemies | All characters earn more Glimmer when Colossus are killed with a Resupply Codes active. |
| Combined Arms (Grimoire Card) | Participate in Combined Arms | Cloaks, marks, and bonds can now drop in Combined Arms. Tournament Tickets also become more common. |
| Control (Grimoire Card) | Participate in Control | Cloaks, marks, and bonds can now drop in Control. Tournament Tickets also become more common. |
| Court of Oryx (Grimoire Card) | ?? | |
| Crests (Grimoire Card) | ?? | |
| Crossroads (Grimoire Card) | ?? | |
| Crota's Bane (Grimoire Card) | Meeting Eris Morn | |
| Crota's End (Grimoire Card) | Completing Crota's End | |
| Crota, Son of Oryx (Grimoire Card) | Defeating Crota in Crota's End Raid. | |
| Crucible Handler (Grimoire Card) | Meeting Crucible Handler | |
| Crucible Introduction (Grimoire Card) | Unlocking Crucible at level 5 of your first character. | |
| Crucible Marks (Grimoire Card) | Obtaining a Crucible Mark | |
| Crucible Quartermaster (Grimoire Card) | Meeting the Crucible Quartermaster | |
| Cryptarch (Grimoire Card) | Meeting Cryptarch | |
| Cyclops (Grimoire Card) | Encountering Vex Cyclops | |
| Dark-Drinker (Grimoire Card) | ?? | |
| Dead Ghosts (Grimoire Card) | ??? | |
| Dead Orbit (Grimoire Card) | ??? | |
| Dead Orbit Faction Rep (Grimoire Card) | Meeting Dead Orbit Vendor in The Tower. | |
| Defender (Grimoire Card) | Leveling Titan to 15. | |
| Descendants (Grimoire Card) | ??? | |
| Devil Splicers (Grimoire Card) | ?? | |
| Devils' Lair (Grimoire Card) | Completing the Strike Devil's Lair | |
| Disciples of Crota (Grimoire Card) | Unlock Will of Crota quest | |
| Disciples of Osiris (Grimoire Card) | Meeting the Brother Vance in Vestian Outpost in The Reef. | |
| Dormant SIVA: Clovis Bray 1.0 (Grimoire Card) | ?? | |
| Dormant SIVA: Clovis Bray 1.1 (Grimoire Card) | ?? | |
| Dormant SIVA: Clovis Bray 1.2 (Grimoire Card) | ?? | |
| Dormant SIVA: Clovis Bray 1.3 (Grimoire Card) | ?? | |
| Dormant SIVA: Clovis Bray 1.4 (Grimoire Card) | ?? | |
| Dormant SIVA: Clovis Bray 1.5 (Grimoire Card) | ?? | |
| Dormant SIVA: Clovis Bray 1.6 (Grimoire Card) | ?? | |
| Dormant SIVA: Clovis Bray 1.7 (Grimoire Card) | ?? | |
| Dormant SIVA: Clovis Bray 1.8 (Grimoire Card) | ?? | |
| Dormant SIVA: Clovis Bray 1.9 (Grimoire Card) | ?? | |
| Dormant SIVA: Fallen 3.0 (Grimoire Card) | ?? | |
