| Copper Axe | Blacksmithing | 35 |  Copper Axe | 19 trainers |
| Cooked Glossy Mightfish | Cooking | 225 |  Cooked Glossy Mightfish | Recipe: Cooked Glossy Mightfish |
| Cooked Crab Claw | Cooking | 85 |  Cooked Crab Claw | Recipe: Cooked Crab Claw |
| Conjure Water | — | ? |  Conjured Water | 28 trainers, Tome of Conjure Water |
| Conjure Water | — | ? |  Conjured Fresh Water | 24 trainers, Tome of Conjure Water II |
| Conjure Water | — | ? |  Conjured Purified Water | 24 trainers, Tome of Conjure Water III |
| Conjure Water | — | ? |  Conjured Spring Water | 25 trainers, Tome of Conjure Water IV, Tome of Conjure Water V, Tome of Conjure Water VI |
| Conjure Water | — | ? |  Conjured Mineral Water | 25 trainers |
| Conjure Water | — | ? |  Conjured Sparkling Water | 25 trainers |
| Conjure Mana Ruby | — | ? |  Mana Ruby | 24 trainers |
| Conjure Mana Jade | — | ? |  Mana Jade | 25 trainers |
| Conjure Mana Citrine | — | ? |  Mana Citrine | 25 trainers |
| Conjure Mana Agate | — | ? |  Mana Agate | 24 trainers, Tome of Conjure Mana Gem, Tome of Conjure Mana Gem II, Tome of Conjure Mana Gem III, Tome of Conjure Mana Gem IV |
| Conjure Lily Root | — | ? |  Lily Root | Lei of Lilies |
| Conjure Food | — | ? |  Conjured Muffin | 28 trainers, Tome of Conjure Food |
| Conjure Food | — | ? |  Conjured Bread | 24 trainers, Tome of Conjure Food II |
| Conjure Food | — | ? |  Conjured Rye | 24 trainers, Tome of Conjure Food III |
| Conjure Food | — | ? |  Conjured Pumpernickel | 25 trainers, Tome of Conjure Food IV, Tome of Conjure Food V, Tome of Conjure Food VI |
| Conjure Food | — | ? | Conjured Muffin | Staff of Conjuring |
| Conjure Food | — | ? |  Conjured Sourdough | 25 trainers |
| Conjure Food | — | ? |  Conjured Sweet Roll | 24 trainers |
| Conjure Food | — | ? |  Conjured Cinnamon Roll | not recorded |
| Conductive Shield Coating | Enchanting | 275 |  Formula: Conductive Shield Coating | not recorded |
| Compact Harvest Reaper Kit | Engineering | 175 |  Compact Harvest Reaper Kit | 3 trainers |
| Comfortable Leather Hat | Leatherworking | 200 |  Comfortable Leather Hat | Pattern: Comfortable Leather Hat |
| Combining Charms | — | ? |  Good Luck Charm | Good Luck Other-Half-Charm |
| Combine Pendants | — | ? | Pendant of the Sea Lion | Half Pendant of Aquatic Agility |
| Colorful Kilt | Tailoring | 120 |  Colorful Kilt | Pattern: Colorful Kilt |
| Collect Rookery Egg | — | ? |  Collected Dragon Egg | Collectronic Module |
| Collect Orange Crystal Liquid | — | ? |  Filled Cerulean Vial | Coated Cerulean Vial |
| Collect Dire Water | — | ? |  Vial of Dire Water | Empty Water Vial |
| Collect Corrupted Water | — | ? |  Filled Flasket | Hardened Flasket |
| Collect Blessed Water | — | ? |  Vial of Blessed Water | Eridan's Vial |
| Coarse Weightstone | Blacksmithing | 65 |  Coarse Weightstone | 19 trainers |
| Coarse Sharpening Stone | Blacksmithing | 75 |  Coarse Sharpening Stone | 19 trainers |
| Coarse Grinding Stone | Blacksmithing | 75 |  Coarse Grinding Stone | 19 trainers |
| Coarse Dynamite | Engineering | 75 |  Coarse Dynamite | 18 trainers |
| Coarse Blasting Powder | Engineering | 75 |  Coarse Blasting Powder | 17 trainers |
| Cloak of Warding | Tailoring | 300 |  Cloak of Warding | Pattern: Cloak of Warding |
| Cloak of Fire | Tailoring | 275 |  Cloak of Fire | Pattern: Cloak of Fire |
| Clam Chowder | Cooking | 90 |  Clam Chowder | Recipe: Clam Chowder |
| Cindercloth Vest | Tailoring | 260 |  Cindercloth Vest | Pattern: Cindercloth Vest |
| Cindercloth Robe | Tailoring | 225 |  Cindercloth Robe | 5 trainers |
| Cindercloth Pants | Tailoring | 280 |  Cindercloth Pants | Pattern: Cindercloth Pants |
| Cindercloth Gloves | Tailoring | 270 |  Cindercloth Gloves | Pattern: Cindercloth Gloves |
| Cindercloth Cloak | Tailoring | 275 | Cindercloth Cloak | Pattern: Cindercloth Cloak |
| Cindercloth Boots | Tailoring | 245 |  Cindercloth Boots | 3 trainers |
| Chromatic Mantle of the Dawn | — | ? | — | Chromatic Mantle of the Dawn |
| Chromatic Gauntlets | Leatherworking | 300 | — | Pattern: Chromatic Gauntlets |
| Chromatic Cloak | Leatherworking | 300 |  Chromatic Cloak | Pattern: Chromatic Cloak |
