When God created Ardenest, it was already inhabited by many chaotic spirits. Most of these agreed to serve God in the new creation. Those who didn't were cast down into the abyss. The spirits varied greatly as to how powerful they were. The most powerful spirit to join God was Bahamut, the Platinum Dragon, the Divine Wind. Barely less powerful was Hades, Guardian of the Underworld. But besides these two were many other spirits, spirits of glen, river, and hill. The least of the spirits God clad in flesh; wood spirits became elves, fire spirits became men, and earth spirits became dwarves. God gave Bahamut possession of the air above, and Hades possession of the earth below, but to the mortals he gave possession of the world.
Before the apotheosis of Fayon, the religious worshiped these spirits. For the most part, the local spirit was the most revered. While these were not generally sufficiently powerful to answer their believers' requests, there were plenty of spirits who granted spells to their followers.
Pan was a wood spirit who came to have dominion over all of the forests of Ardenest. He was particularly known for his love of wine and his flutes, and was particularly revered by druids and rangers. He is rarely followed now. In civilized areas, he is most remembered in toasts and drinking songs. However, some druids and wood elves still worship him.
Bahamut, the Astral Star, fought constantly against the demon dragon Tiamat and her schemes. Paladins and noble knights of all kinds served him, and he is still revered by holy knights to this day. The Silverflame knights of Lyonia, in particular, are dedicated to the Pearl of Wonders.
Hades was never worshiped much, but there have always been a sufficient number of people who walk near death that his cult has never died out either. The Aurelian cult popular in Western Solaria has its roots in Hades worship, though most claim any devotion is merely symbolic. Certain heretical texts suggest Fayon owes his power to Hades, but these are dismissed by the Church as later fabrications.
The Fates: Eos, Dawnmother; Nut, Nightmother; and Shar, Duskmother were a trio of goddesses often worshiped together by healers, though Nut and Shar had less savory worshippers as well. They are worshiped much less frequently now in the open, but it is said that Shar counts assassins among her contemporaneous devotees. St. Carino was a devotee of Shar until he repented of his misdeeds and joined the church. Nut often receives the prayers of prostitutes, and they and other young women pray for her protection in the night.
Kord's origin is unknown. Some scholars suppose he was a spirit of the tundra, and it was the devotion of the orcs that gave him his present form, while others believe him to have been a Nordman who went native and achieved godhood through a ritual like that of the Valharim. He is not typically worshiped in civilized lands, but is venerated by the orcish tribes of the steppes, and his faith is not unknown among the Nords.