| Name | Attribute | Level | Type |
|---|---|---|---|
| Crystal Patroller | 92 | Elite Monster | |
| Crystal Pillar - Blue | - | 150 | Statue |
| Crystal Pillar - Blue | - | 45 | Statue |
| Crystal Pillar - Neutral | - | 45 | Statue |
| Crystal Pillar - Neutral | - | 150 | Statue |
| Crystal Pillar - Red | - | 150 | Statue |
| Crystal Pillar - Red | - | 45 | Statue |
| Crystal Rain | 75 | General Monster | |
| Crystal Rain | 75 | General Monster | |
| Crystal Reptilian | 66 | General Monster | |
| Crystal Reptilian | 68 | General Monster | |
| Crystal Sludge | 76 | Elite Monster | |
| Crystal Sludge | 76 | Elite Monster | |
| Crystal Spider | 68 | General Monster | |
| Crystal Spider | - | 1 | General |
| Crystal Spider | 99 | General Monster | |
| Crystal Spider | 83 | General Monster | |
| Crystal Spider | 60 | General Monster | |
| Crystal Spider | 68 | General Monster | |
| Crystal Spider | 60 | General Monster | |
| Crystal Spider | 99 | General Monster | |
| Crystal Spider | 83 | General Monster | |
| Crystal Spider King Briad | 60 | Boss Monster | |
| Crystal Tendril | - | 1 | Interactive |
| Crystal Worm | 48 | General Monster | |
| Crystal Worm | 24 | General Monster | |
| Crystal Worm | 48 | General Monster | |
| Crystal of the Land of Bones | - | 99 | Crystal |
| Crystal-Scaled Phantasmal Millipede | 99 | Elite Monster | |
| Crystalite | 99 | Elite Monster | |
| Crystalline Apostle | 99 | Elite Monster | |
| Crystalline Apostle | 99 | Elite Monster | |
| Crystalline Apostle | 99 | Elite Monster | |
| Crystalline Apostle | 99 | Elite Monster | |
| Crystalline Citadel | 82 | General Monster | |
| Crystalline Titan | 99 | Elite Monster | |
| Crystallization of the Earth Realm | - | 111 | Elite Monster |
| Crystallization of the Earth Realm | - | 111 | Elite Monster |
| Crystodile | 24 | General Monster | |
| Cult Baker's Grave | - | 1 | General |
| Cultist | - | 50 | General Monster |
| Curious Boy Ansel | - | 1 | General |
| Curious Boy Ansel | - | 1 | General |
| Curious Boy Ansel | - | 1 | General |
| Curious Clay Doll | - | 5 | General |
| Curse Spirit Crystals | - | 100 | General Monster |
| Curse Wizard Corrupt Effect | - | 1 | General |
| Cursed Chest | 93 | General Monster | |
| Cursed Chest | 93 | General Monster | |
| Cursed Demon Dog | 76 | General Monster |