| Cadarn ranger [] | 450–550 | 1/320,000 |
| Camel Warrior [] | 450–550 | 1/128,000 |
| Catablepon [] | 450–550 | 1/8,273,920 |
| Cave bug [] | 450–550 | 1/4,194,304 |
| Cave crawler [] | 450–550 | 1/20,971,520 |
| Cave crawler [] | 450–550 | 1/6,990,506.67 |
| Cave horror [] | 450–550 | 1/256,000, 3 rolls |
| Cave slime [] | 450–550 | 1/5,242,880 |
| Celestial dragon (Dragonkin Laboratory) (Normal mode) [] | 450–550 | 1/192,000 |
| Champion of Infernus [] | 450–550 | 1/4,063,232 |
| Chaos druid [] | 450–550 | 1/20,971,520 |
| Chaos druid warrior [] | 450–550 | 1/20,971,520 |
| Chaos dwarf [] | 450–550 | 1/4,194,304 |
| Chaos dwarf (Chaos Dwarf Battlefield) [] | 450–550 | 1/4,194,304 |
| Chaos dwarf [] | 450–550 | 1/4,128,768 |
| Chaos dwarf hand cannoneer [] | 450–550 | 1/4,325,376 |
| Chaos dwogre [] | 450–550 | 1/4,849,664 |
| Chaos Elemental (Members) [] | 450–550 | 1/126,456.34, 2 rolls |
| Chaos Giant [] | 450–550 | 1/256,000 |
| Chaos witch apprentice (Normal mode) [] | 10–20 | 1/31.7 |
| Chaos witch apprentice (Normal mode) [] | 450–550 | 1/192,000 |
| Chaos witch apprentice (Story mode) [] | 3–4 | 600/10,000 |
| Chaos witch channeler (Level 143 (Normal mode)) [] | 10–20 | 1/31.7 |
| Chaos witch channeler (Level 143 (Normal mode)) [] | 450–550 | 1/192,000 |
| Chaos witch channeler (Level 143 (Story mode)) [] | 3–4 | 600/10,000 |
| Chaos witch lifeweaver (Normal mode) [] | 10–20 | 1/31.7 |
| Chaos witch lifeweaver (Normal mode) [] | 450–550 | 1/192,000 |
| Chaos witch lifeweaver (Story mode) [] | 3–4 | 600/10,000 |
| Chaos witch magus (Normal mode) [] | 10–20 | 1/31.7 |
| Chaos witch magus (Normal mode) [] | 450–550 | 1/192,000 |
| Chaos witch magus (Story mode) [] | 3–4 | 600/10,000 |
| Chaos witch mender (Normal mode) [] | 10–20 | 1/31.7 |
| Chaos witch mender (Normal mode) [] | 450–550 | 1/192,000 |
| Chaos witch mender (Story mode) [] | 3–4 | 600/10,000 |
| Chaos witch (Normal mode) [] | 10–20 | 1/31.7 |
| Chaos witch (Normal mode) [] | 450–550 | 1/192,000 |
| Chaos witch (Story mode) [] | 3–4 | 600/10,000 |
| Chest (Ourania Cave) [{'content': 'Estimated rarity may be inaccurate due to a low sample size.', 'name': 'inaccurate'}] | 5–15 | 86/906 |
| Cloaked zealot (Normal mode) [] | 450–550 | 1/192,000 |
| Cloaked zealot (Normal mode) [] | 450–550 | 1/192,000 |
| Cockatrice [] | 450–550 | 1/10,485,760 |
| Cockroach drone [] | 450–550 | 1/3,495,253.33 |
| Cockroach soldier [] | 450–550 | 1/2,995,931.43 |
| Cockroach worker [] | 450–550 | 1/4,194,304 |
| Commander Zilyana (Hard mode) [] | 450–550 | 1/128,000 |
| Commander Zilyana (Normal mode) [] | 450–550 | 1/126,456.34 |
| Cooper (Normal mode) [] | 450–550 | 1/192,000 |
| Corporeal Beast [] | 450–550 | 1/8,388,608, 10 rolls |