| Cornu Squama Prince | 12 | 955 | 103 | |
| Coredash: Vacuity | 150 | 2,817,644 | 1,314 | |
| Coredash: Null | 150 | 2,515,411 | 1,314 | |
| Coredash: Doom | 150 | 3,042,785 | 1,314 | |
| Coredash | 150 | 335,389 | 1,314 | |
| Coredash | 150 | 375,686 | 1,314 | |
| Coredash | 150 | 405,705 | 1,314 | |
| Coral Viper | 16 | 1,653 | 138 | |
| Coral Vipent | 18 | 7,194 | 379 | |
| Copper Trunkwraith | 3 | 124 | 24 | — |
| Copper Cabinet Spirit | 3 | 124 | 24 | — |
| Copper Box Spirit | 3 | 124 | 24 | — |
| Convulsing Demon | 99 | 68,049 | 1,041 | |
| Consuming Soulmass | 100 | 263,200 | 2,845 | |
| Conquesting Dustwraith | 47 | 9,903 | 409 | |
| Collector of Souls | 109 | 84,932 | 1,142 | |
| Cold Smasher Taoya | 150 | 1,690,586 | 2,520 | |
| Coldmud Foulwings | 89 | 4,024,657 | 2,346 | — |
| Cognitum: Mirage Edge | 93 | 221,427 | 2,936 | |
| Cognitum: Mirage Edge | 95 | 890,778 | 3,332 | — |
| Cognitum: Mirage Edge | 105 | 2,596,280 | 11,046 | — |
| Cognitum: Eternal Hatred | 93 | 60,389 | 983 | |
| Cognitum: Eternal Hatred | 95 | 890,778 | 3,346 | — |
| Cognitum: Eternal Hatred | 105 | 2,124,240 | 11,088 | — |
| Cognitum: Dream Snatcher | 93 | 73,809 | 976 | |
| Cognitum: Dream Snatcher | 95 | 890,778 | 3,325 | — |
| Cognitum: Dream Snatcher | 105 | 2,596,280 | 11,025 | — |
| Cognitum: Divinity's Servant | 80 | 31,782 | 700 | — |
| Cognitum: Aeolian Cloud | 80 | 31,782 | 703 | — |
| Cognitum: Absolute Flame | 80 | 26,004 | 773 | — |
| Cocktail Flatfish | 1 | 36 | — | — |
| Clownfish | 1 | 36 | — | — |
| Cloudweaver Ptero | 54 | 43,854 | 1,260 | — |
| Cloudweaver Ptero | 150 | 24,772 | 1 | |
| Cloudstroller | 150 | 23,977,103 | 880 | — |
| Cloud Skatefish | 22 | 2,298 | 215 | — |
| Cloudrider Falcon | 76 | 23,513 | 808 | |
| Cloudmelding Vipion | 40 | 6,130 | 428 | |
| Cloud Dancer Pterosaur | 33 | 4,287 | 357 | |
| Cloudclawwer | 103 | 254,022 | 904 | |
| Cloudclap Viper | 33 | 4,287 | 351 | |
| Clever Cactopod | 59 | 60,430 | 1,429 | |
| Clever Cactopod | 150 | 134,159 | 1 | |
| Clear Coliseum 10 Reg Info | 150 | 1,000,000 | 1 | — |
| Clear Coliseum 9 Reg Info | 150 | 1,000,000 | 1 | — |
| Clear Coliseum 8 Reg Info | 150 | 1,000,000 | 1 | — |
| Clear Coliseum 7 Reg Info | 150 | 1,000,000 | 1 | — |
| Clear Coliseum 6 Reg Info | 150 | 1,000,000 | 1 | — |
| Clear Coliseum 5 Reg Info | 150 | 1,000,000 | 1 | — |
| Clear Coliseum 4 Reg Info | 150 | 1,000,000 | 1 | — |