| Name | Cost | Price |
|---|---|---|
| Convenient Target | $0.27 | |
| Conversion | $0.90 | |
| Conversion Apparatus | $0.35 | |
| Conversion Chamber | $0.10 | |
| Converter Beast | $0.14 | |
| Convert to Slime | $0.38 | |
| Conviction | $0.14 | |
| Convolute | $0.17 | |
| Convulsing Licid | $0.09 | |
| Cooperation | $0.13 | |
| Coordinated Charge | $0.15 | |
| Copper Carapace | $0.07 | |
| Coppercoat Vanguard | — | |
| Copperhorn Scout | $0.19 | |
| Copperline Gorge | $1.69 | |
| Copper Myr | $0.29 | |
| Copper Tablet | $239.99 | |
| Copy Artifact | $65.14 | |
| Copycrook | $0.26 | |
| Copy Enchantment | $1.83 | |
| Coral Eel | $0.04 | |
| Coral Fighters | $0.17 | |
| Coral Helm | $0.25 | |
| Coralhelm Chronicler | $0.14 |