| Crystal Golem | 97 | Giant | No | Pierce | -10% Blunt 10% Mind 100% Poison 100% Disease |
| Crypt Watchman | 106 | | No | Cut | -5% Blunt 10% Cut 25% Mind |
| Crypt Robber | 30 | | No | | 30% Arrow 25% Nature |
| Crypt Protector Hobensnorl | 200 | | Yes | Blunt | -4% Blunt 5% Cut 25% Soul 10% Mind |
| Crypt Guardian | 104 | | No | | -10% Blunt 10% Cut 50% Soul |
| Crypt Crawler | 47 | | No | | 25% Pierce 25% Soul 100% Poison |
| Creeping Death | 103 | | No | | 50% Pierce 100% Soul |
| Cow | 4 | | No | Blunt | |
| Coral Snake | 32 | | No | Cut | 100% Poison |
| Construct of Ilmyrr | 80 | | Yes | | |
| Cold Giant | 115 | Giant | No | Cut | -10% Pierce 25% Cut 25% Soul |
| Cirrus Proudblood | 130 | | Yes | | 20% Arrow 50% Nature 50% Poison 50% Disease |
| Ciromorph | 68 | | No | | |
| Chugga Bam Bam | 69 | | No | | |
| Chomper | 85 | | Yes | | 50% Pierce 50% Cut 70% Arrow 25% Nature -5% Soul 50% Mind 50% Body |
| Chimp | 40 | | No | Cut | |
| Chicken | 1 | | No | Pierce | |
| Cave Spider | 8 | | No | Pierce | -10% Blunt -10% Nature 100% Poison |
| Cave Slug | 11 | | No | | |
| Cave Rat | 9 | | No | | -10% Cut |