* '''CA''' - {{iw|Chilling_Armor Chilling Armor}}. A {{iw|Sorceress Sorceress}} skill on the Cold tree.{{d2}}* '''Cat 2''' - {{iw|Catacombs Catacombs }} Level 2 in {{iw|Act_I Act 1}}. {{d2}}* '''CCB''' - Cruel Colossus Blade. {{d2}}* '''CCS''' - Cruel Colossus Sword. {{d2}}* '''CB''' - {{iw|Charged_Bolt Charged Bolt}}. {{iw|Sorceress Sorceress }} lightning tree attack skill. {{d2}}

* '''CB''' - Colossus Blade. Elite Sword.* '''CB''' - Charged Bolt (sorceress skill){{d2}}* '''CBF''' - Cannot be frozen. {{d2}}* '''CBS''' - {{iw|Charged_Bolt_Sentry Charged Bolt Sentry}}. {{iw|Assassin Assassin}} Trap Tree skill.{{d2}}* '''C/C''' - Claw/Claw. Refers to an {{iw|Assassin Assassin}} wielding dual claws.* '''C/O''' - Current Offer. Used in when [[trade|trading items]] different [[item]]s.* '''C/S''' - Claw/Shield. Refers to an {{iw|Assassin Assassin }} using a claw and shield.{{d2}}* '''CD (/CDam, /CDmg)''' - Cold Damage

* '''CE''' - {{iw|Corpse_Explosion Corpse Explosion}}. A {{iw|Necromancer Necromancer}} attack skill on the Poison and Bone tree.* '''CG''' - {{iw|Clay_Golem Clay Golem}}. A {{iw|Necromancer Necromancer}} [[summon]]ing skill.* '''Cg (/grats) /gz''' - Congratulations.

* '''Char''' - [[Character]].* '''chippies''' - chipped [[gems]]. {{d2}} {{d3}}* '''CI''' - Cold Immune. {{d2}}* '''CKN (/Chu)''' - {{iw|Chu-ko-nuChu-ko-nu}}. Often refers specifically to the Demon Machine Exceptional Unique Chu-ko-nu Crossbow. {{d2}}* '''CL''' - {{iw|Chain_Lightning Chain Lightning}}. {{iw|Sorceress Sorceress}} lightning tree attack skill.* '''Closed''' - Closed [[Battle.net]]. Online play with characters saved on a Battle.net Server-only [[character]]s. {{d2}}* '''clvlClvl''' - [[Character level]].* '''CM''' - CM has multiple meanings in regards to gaming and [[Diablo game]]s:** {{iw|Claw_Mastery Claw Mastery}}, an {{iw|Assassin Assassin}} skill.{{d2}}* '''CM''' - * {{iw|Cold_Mastery Cold Mastery}}. {{iw|Sorceress Sorceress}} Cold tree skill.{{d2}}* '''CM''' - * Community Manager (like [[Bashiok]]).* '''CM''' - * Community Member(like you!).* * {{iw|Council_Member Council Member}}, a ''[[Diablo II]]'CM''' - Council Member[[monster]].{{d2}}* '''CO''' - Current Offer, related to [[trade|trading]].* '''CoA''' - crown {{iw|Crown_of_ages Crown of Ages }} unique item.* '''CoH''' - {{iw|Chains_of_Honor Chains of Honor}} unique item.* '''Conc''' - Two meanings:** {{iw|Concentrate/ion (paladin aura/Concentrate}}, a {{iw|Barbarian Barbarian }} skill).** {{iw|Concentration Concentration}}, a {{iw|Paladin Paladin}} [[Aura]].* '''Conv''' - {{iw|Conviction Conviction}}. A {{iw|Paladin Paladin}} offensive [[aura ]] to reduce enemy resistances.* [[Cookie cutterresistance]] - A very common character build, one frequently recreated, ALA Hammerdins in v1.10+s.* '''Coop (/Co-op)''' - [[Cooperative play|Cooperative play]], playing with others in [[PvE]] mode.