Faith that originated with the Dwarves who were not touched by the magic as much as the other races and don't believe in the definition of a god like most of the others.
Later this religion was adopted in a bigger number by Gnomes, Halflings and Aarakocra.
They worship no god, but rather Progenitors of Greatness, people who accomplished much, made a great invention/discovery, were/are known as great for some other reason.
-Progenitarium - Council that decised who is accepted as a Progenitor
There are over 20 Progenitors, but their fame and level of worship varies greatly.