While we're talking about the subject of constructing religions, I'd like to bring up the concept of the Creed. The creed is nothing more than a simple statement of the religion's beliefs, meant to be recited. If you cannot write a creed for your monotheistic religion, it probably needs work on internal consistency. Creed examples:

The bronze half plate of the Flame Knight, this armor serves to protect the wearer with the blessing of the Lord of Fire.

Forged and folded by the ancient and holy methods, Warprender and Weftcleaver have incorporated the very transformations that allow man to traverse the stars into their exotic blades.

This discreet and stylishly concealable weapon is quite capable of cleaning up its own mess.

Existing at once in the mortal plane and upon the plane of Fire, the Grand Pyre of the Phoenix is the ultimate testament to the power of the Lord Zevarith.

'A man needs two things to become a saint. He must perform three miracles, and then he must die. Perform your miracles, sir, and come to me when you are ready to become a saint.'
—Azariah Saintmaker, Dread Lord of Hatred

"Didja see the way way I nailed that, Marty?" "Thunderingly effective!"

A powerful clan of blacksmiths, Clan Ironspirit is well known as the single best source for forged goods of any metal throughout the world. Many a legendary artifact has been born underneath their hammers, however, their price is almost never something so simple as mere gold.

The Wise Woman of a small family of the giant hill people known as the Volgotoi, Korara's particular gifts of illusion have allowed her a surprising degree of influence over the local Imperial outpost, helping spare her people the ravages of 'civilization'.

Strange plant-creatures from Rosetta II, the Rosahomin are, for a small portion of their lives, roughly humanoid creatures, fully sentient, and capable of interacting with the galaxy.

Gene-engineered for deep-space, the Salvorathan resemble nothing quite so much as the legendary ‘dwarf’.

This tremendous colony ship is the largest ship of the Kel’Regar, grown and built in stages, birthed within the great ‘dry’ dock of Regar-kel-Osh. Fully organic, this ship is the ultimate expression of the Kel’Regar’s power.

Twin Shards of the Storm reforged to work in concert, the Gauntlets of the Fallen Frost grant the user power over winter's weather, but at a certain price...

The high ambassador of the Kel’Regar to the Earthling federation, the unearthly Ku’ar’Riss is a terrifying creature to behold, her desires as dark and alien as her skin.

This enormous blade is capable of leveling more than just men.

Be wary, adventurer, of the smoke of Mal'Mennoth, that dread, choking cloud that blots out the very sun! Be wary, adventurer, of the demon's dread shadow, of the things that prey on your mind!

Taronia - Land of mystics and sages. Taronia - Land of the Gods. Taronia - Land of Conquerers.

As the world grows and changes, so to do the gods. One such creature is Verdichtung, Reaver of Steam.

Located on a world near the heart of Kel’Regar space, Nath’ar’Selass’Resan is a world renowned amongst that kind for it’s beautiful art, high technology, and the absolute lack of things that can kill a woman in dignified fashion.

Twin-aspected aliens, the Kel’Regar are strange creatures, and their alien society, strange technology, and lithe bodies evoking the images of elves in some humans.