| Chaos druid [] | 270–330 | 1/8,388,608 |
| Chaos druid warrior [] | 270–330 | 1/8,388,608 |
| Chaos dwarf [] | 270–330 | 1/1,677,721.6 |
| Chaos dwarf (Chaos Dwarf Battlefield) [] | 270–330 | 1/1,677,721.6 |
| Chaos dwarf [] | 270–330 | 1/1,651,507.2 |
| Chaos dwarf hand cannoneer [] | 270–330 | 1/1,730,150.4 |
| Chaos dwogre [] | 270–330 | 1/1,939,865.6 |
| Chaos Elemental (Members) [] | 270–330 | 1/50,582.54, 2 rolls |
| Chaos Giant [] | 270–330 | 1/102,400 |
| Chaos witch apprentice (Normal mode) [] | 270–330 | 1/76,800 |
| Chaos witch channeler (Level 143 (Normal mode)) [] | 270–330 | 1/76,800 |
| Chaos witch lifeweaver (Normal mode) [] | 270–330 | 1/76,800 |
| Chaos witch magus (Normal mode) [] | 270–330 | 1/76,800 |
| Chaos witch mender (Normal mode) [] | 270–330 | 1/76,800 |
| Chaos witch (Normal mode) [] | 270–330 | 1/76,800 |
| Chest (Living Rock Caverns) [] | 1–3 | 696/2,553 |
| Cloaked zealot (Normal mode) [] | 270–330 | 1/76,800 |
| Cloaked zealot (Normal mode) [] | 270–330 | 1/76,800 |
| Cockatrice [] | 270–330 | 1/4,194,304 |
| Cockroach drone [] | 270–330 | 1/1,398,101.33 |
| Cockroach soldier [] | 270–330 | 1/1,198,372.57 |
| Cockroach worker [] | 270–330 | 1/1,677,721.6 |
| Commander Zilyana (Hard mode) [] | 270–330 | 1/51,200 |
| Commander Zilyana (Normal mode) [] | 270–330 | 1/50,582.54 |
| Cooper (Normal mode) [] | 270–330 | 1/76,800 |
| Corporeal Beast [] | 270–330 | 1/3,355,443.2, 10 rolls |
| Corrupted dust devil [] | 270–330 | 1/76,800 |
| Corrupted kalphite guardian [] | 270–330 | 1/76,800 |
| Corrupted kalphite marauder [] | 270–330 | 1/76,800 |
| Corrupted lizard [] | 270–330 | 1/76,800 |
| Corrupted scarab [] | 270–330 | 1/76,800 |
| Corrupted scorpion [] | 270–330 | 1/76,800 |
| Corrupted worker [] | 270–330 | 1/76,800 |
| Crassian Leviathan (Normal mode) [] | 270–330 | 1/76,800 |
| Crassian scout (Normal mode) [] | 270–330 | 1/76,800 |
| Crassian scuttler (Normal mode) [] | 270–330 | 1/76,800 |
| Crassian warrior (Normal mode) [] | 270–330 | 1/76,800 |
| Crawling hand [] | 270–330 | 1/4,194,304 |
| Crocodile akh [] | 270–330 | 1/76,800 |
| Crystal Shapeshifter (Magic) [] | 270–330 | 1/76,800 |
| Cyclops [] | 270–330 | 1/3,276,800 |
| Cyclops [] | 270–330 | Very rare |
| Cyclops (God Wars Dungeon) [] | 270–330 | 1/3,276,800 |
| Cyclossus [] | 270–330 | 1/102,400 |
| Dagannoth (Lighthouse) [] | 270–330 | 1/8,388,608 |
| Dagannoth guardian [] | 270–330 | 1/1,048,576 |
| Dagannoth Prime [] | 270–330 | 1/71,558.87 |
| Dagannoth Rex [] | 270–330 | 1/71,558.87 |