Creating a Religion
Here is a rough outline of some things to think about when creating a religion in a fantasy world. It includes a lot of things that people often forget.
This page is copyright 2000-2014 by The DM. You're welcome to make changes, as long as you email them to me (so I can add them myself if I want), and as long as you keep this copyright notice (although you may add your own). Let me know if this helped you any!
 
Supernatural Beings
Pantheon
-  Number of gods: 
-  How much power do the gods have? - 
-  All-powerful, all-knowing (like western religions on Earth). 
-  Highly limited in power and knowledge (like the Olympian pantheon). 
-  Are some gods more powerful than others? 
 
-  What form do the gods take? - 
-  Are they basically human, like in the Greek and Roman pantheon? 
-  Are they benevolent beings looking down from above? 
-  Are they abstract concepts? 
 
-  How do they interact with followers? 
-  Do people get power from gods? Do gods get power from people? 
 
Other beings
-  Are there notable good or evil beings (angels/devils)? 
-  Are there powers that fight the gods? 
-  Are there other creatures or powers that followers believe in? 
-  Is some particular species special to the gods? 
 
History
-  How did the world begin? 
-  How will the world end? 
-  Origins of the religion: - 
-  Is there an historical basis? 
-  Is it purely philosophical? 
-  Is it based on demonstrable reality? 
 
-  When did the religion start? 
-  Where did it start? Is any special significance attributed to that place? 
-  Anything special happen in its past? - 
-  Persecution of or by other religions. 
-  Mass exedus, exiles, dispersions or migrations. 
-  Times when the religion was dominant in a region or the world. 
 
 
Role in the World
-  How popular is this religion? 
-  Where are its centers of operation? 
-  How spread out is it? 
-  Does it control local or national governments? 
 
Perspective
Identifying Features
-  Do followers or leaders act or dress in a way that makes them stand out? - 
-  Do they sing a lot? 
-  Eat a lot? 
-  Wear a funny hat? 
-  Modesty rules for men and/or women. 
-  Make-up, jewelry or face/body paint. 
-  Tattoos, piercings or body mutilation. 
-  How much clothing do followers wear? 
-  Any special clothing worn by followers or leaders? 
 
-  Is it a war-mongering religion? 
-  A mercantile religion? 
-  Who are the worshippers? - 
-  Residents of a certain place. 
-  Residents of a certain terrain. 
-  Members of a certain species. 
-  Members of a certain social class. 
-  Members of a secret society. 
 
-  Are followers or priests known for a particular type of behavior? - 
-  Focused on omens. 
-  Proselytizing. 
-  Forcing conversion. 
-  Close-mindedness. 
-  Open-mindedness. 
-  Extremist. 
-  Insular. 
-  Secretive. 
-  Outgoing and open. 
-  Eager to help. 
-  Power-hungry. 
 
 
Hierarchy
-  Are some members more powerful/important than others? 
-  Is there a complex caste system? 
-  Is there a single person or group of people who are above all? 
-  Are only certain members allowed to: 
 
Rules and Regulations
-  Dietary restrictions - 
-  Limits on the amount of food consumed. 
-  Vegetarian? Vegan? Carnivorous? Cannibalistic? 
-  Foods that cannot be eaten. - 
-  Specific animals or plants. 
-  Types of animals or plants. 
-  Foods that must be eaten. 
-  Food used in ritual. 
 
-  Rules about food prepared or touched by an impure person, or someone who's not a member of the religion. 
 
-  Languages that followers or leaders must speak. 
-  Charity - 
-  Required? 
-  How much? 
-  In what forms? 
-  Is charity given: 
 
-  Sex - 
-  Polygamy/Polygany allowed? 
-  Pre-marital sex allowed? Encouraged? 
-  Marriage required/allowed? 
-  Relations with priests, heretics, cripples, widows, whatever. 
-  Are certain people or people of certain ages required to be chaste? 
-  Rituals involving sex. 
-  Limitations on when or how one may have sex. 
 
-  Ritual purity - 
-  Do certain activities or conditions make someone impure? 
-  Do priests just declare someone impure? 
-  Are there rituals to become pure? 
 
-  Conduct of followers. 
-  Conduct of priests. 
-  Extra rules and regulations for priests. 
-  Extra powers and privileges for priests. 
-  Education: - 
-  Encouraged or discouraged? Why? 
-  Encouraged or discouraged for certain types of followers (priests, etc). 
-  Literacy of followers. 
 
-  Wealth - 
-  Limited in how much wealth one can posess? 
-  Required to seek out wealth? 
-  Wealth limited to a certain social or religious caste? 
 
 
Holidays
-  Dates - 
-  Seasonal. 
-  Historically based. 
-  Monthly. 
-  Weekly. 
-  Tied to a natural occurrence, like the first rain of spring. 
-  Tied to a man-made occurrence, like the sending off of the fishing boats. 
-  Only when specifically declared by the priesthood. 
 
-  Reasons for a holiday. 
-  How important is it? Why? 
-  Observences, Rites and Rituals: 
-  Requirements or restrictions during the holiday. 
 
Rites
Locations
Names
-  Titles of religious officials. 
-  Names of the most important officials. 
-  What are followers called? 
-  Are there popular baby names, for religious or historical reasons? 
-  Are names used at all? 
 
Objects
Magic
-  Is magic good or evil? 
-  Are certain spells forbidden? 
-  Can priests cast spells? 
-  Is spellcasting required for or forbidden to certain castes? 
-  Is magic ritualistic or straightforward? 
-  Do gods control or grant magic? Does magic control the gods? 
-  Any attachment to particular magical creatures? 
 
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