"Lithan Cross" depicted above.
Lithias is a religion made up of Nine (Orthodox) Orders. A person might follow Order 6 of Lithias, this would indicate that they also agree to all lower orders as well, but not the higher orders. This religion is accepting of all people, and in various instances, it is even compatible with other religions.
Unlike most other religions, this religion requires virtually no worship or prayer. In order to be a "good follower" of Lithias, all you need is to agree with some of the teachings, up to any Order. For a person to be considered a Lithan they only need to agree with the Lithan Moral Philosophy, but they need not even have heard of Lithias at all. In Lithias, there are no needed holidays, no houses of worship (Temples, churches, mosques, synagogues, et cetera), no day for worship or prayer, and no sacrifices.
To be clear, though there is no punishment for not doing these things, it is encouraged for people to build, run, and/or visit churches or the like. Worship in ways like prayer and sacrifices (not of life) are also encouraged, as that is believed to bring reflection, which generally is a good thing, as it can make you into a better person. It is also encouraged to celebrate at least one holiday per season. The biggest holidays of Lithias (though not standardly celebrated) are Ramadan, Lent, Christmas or Hanukkah, and Diwali. It is important when practicing these other religions within Lithias, that you do so with respect.
Nonetheless, Lithias requires absolutely no religious actions, whether that is to Lithias or any other religion.