Creators and Appearances
Allegedly the son of
Gaea, and creator of  mankind,  Valka was one of the first new gods worshiped on Earth.
He helped humanity repel horrific elder gods and demons, such as
Yagotha and the Old Ones, or the  Dweller-in-Darkness.
Worshiped by many of the major cultures in the
Pre-Cataclysmic Age ( Picts, Atlanteans and Valusians), his worship kept on into the  modern age, at least in the city of Opar, a remnant outpost of Atlantis, where its people mentioned Valka in ancient incantations. 
Origin Valka was one of the first new gods (following the Elder Gods) worshiped on Earth. He was allegedly the creator of  Man, like many other deities stated to be as well.
He was allegedly the son of the Earth goddess
About 30,000 B.C, Valka achieved prominence, which lasted at least 12,000 years.
He was known as the
God of all Gods, was considered the Chief deity of the  Pre-Cataclysmic Age, and was part of the  Council of Godheads.
His name was invoked by
Pict, Atlantean and Valusian alike. and one of the gods of the  Empire of Atlantis to which many virgins were sacrificed on their altars.
Zhered-Na visions of the future.
The people of the city of
Opar, a remnant outpost of the Empire of Atlantis, possibly worshiped Valka, which was part of an ancient incantation in a ceremony involving human sacrifice. It is unknown if Valka was the  Flaming God they worshiped.
Powers and Abilities
During a spell incantation, Valka was described as
Valka is the name of a town in Latvia. It is unknown if it was the basis for Howard's character. 
Links and References
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