Hello,
here are some helpful links.
Short Faction lore - https://www.scarsofhonor.com/factions
The Sacred Order - https://www.scarsofhonor.com/factions/TheSacredOrder
The Domination - https://www.scarsofhonor.com/factions/TheDomination
You can click on the avatars or go to the Races page (in the upper navigation panel select Game then Races) and see the lore of each Race.
Main Villain/Boss - https://www.scarsofhonor.com/news/16/silargilion-the-great-night-dragon