| Chaos dwarf [] | 1 | Always |
| Chaos dwarf hand cannoneer [] | 1 | Always |
| Chaos dwarf lava flow miner [] | 1 | Always |
| Chaos dwogre [] | 1 | Always |
| Chaos Elemental (Members) [] | 4 | 1/12 |
| Chest (Gu'Tanoth) [] | 1 | 164/1,010 |
| Chick [] | 1 | Always |
| Chicken [] | 1 | Always |
| Chocolate cow (player-owned farm teaser) [] | 1 | Always |
| Chompy bird [] | 1 | Always |
 Chronozon[] | 1 | Always |
| Cloaked zealot (The Shadow Reef) (Story mode,Normal mode) [] | 1 | Always |
| Cloaked zealot (Story mode,Normal mode) [] | 1 | Always |
| Cockatrice [] | 1 | Always |
| Colonel Radick [] | 1 | Always |
| Commander Zilyana (Hard mode) [] | 1 | Always |
| Commander Zilyana (Normal mode) [] | 1 | Always |
| Common kebbit [] | 1 | Always |
| Copper longtail [] | 1 | Always |
| Corpse archer [] | 1 | Always |
| Corpse mage [] | 1 | Always |
| Corpse spider [] | 1 | Always |
| Corruption beast [] | 1 | Always |
| Cow [] | 1 | Always |
| Crassian scout [] | 1 | Always |
| Crassian scout (The Shadow Reef) (Story mode,Normal mode) [] | 1 | Always |
| Crassian scout [] | 1 | Always |
| Crassian scuttler (Story mode,Normal mode) [] | 1 | Always |
| Crassian warrior [] | 1 | Always |
| Crassian warrior (The Shadow Reef) (Story mode,Normal mode) [] | 1 | Always |
| Crassian warrior [] | 1 | Always |
| Crawling corpse torso [] | 1 | Always |
| Crawling hand [] | 1 | Always |
| Crimson swift [] | 1 | Always |
| Crocodile (Level 77) [] | 1 | Always |
| Crypt rat [] | 1 | Always |
| Cuffs [] | 1 | Always |
 Customs Officer (Rocking Out)[] | 1 | Always |
| Dagannoth [] | 1 | Always |
| Dagannoth (Lighthouse) [] | 1 | Always |
| Dagannoth fledgeling [] | 1 | Always |
| Dagannoth spawn [] | 1 | Always |
| Dagannoth (Ranged) [] | 1 | Always |
| Dagon'hai Monk [] | 1 | Always |
| Dark kebbit [] | 1 | Always |
| Dark wizard [] | 1 | Always |
| Dashing kebbit [] | 1 | Always |
| Death Lotus rogue (Elite Dungeons) (Temple of Aminishi (Story mode),Temple of Aminishi (Normal mode)) [] | 1 | Always |