Heretic may refer to the following:

• Heretics - The outcasts of the Covenant.
• The Heretic - The first level of Halo 2, composed entirely of cutscenes.
• Heretic (level) - A map in the Halo 3 Mythic map pack DLC.
• The Heretic (Machinima Series) - The prequel to The Codex.
• A Firefight exclusive ranking of an Elite, who usually wield human weapons.

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