There are explanations about divine fire, divinity, godhood, and priesthood in the DND rules

Answer 1

There was an explanation regarding the Godhood of the Fire God in the rules of the DNA:

Divine Fire was a mysterious energy that was said to be able to destroy all matter. In the game, Divine Fire was regarded as a sacred flame that could summon the power of the gods and bring about great destructive power.

Divinity referred to the extraordinary attributes of an entity or concept. Divinity was seen as a powerful ability in the game, which allowed the character to possess extraordinary strength, wisdom, and skills. Some characters with divinity could control the forces of nature such as storms, floods, and flames.

Divinity referred to the extraordinary ability that a character was granted. In the game, Divinity referred to the special abilities of a character, such as fire, wind, or water. These abilities could give a character an advantage in battle and make them a powerful Spellmaster.

A clergy referred to the duties of a profession. The clergy in the DNA was usually those who were responsible for summoning the gods, teaching spells, and leading the team. The priesthood required extraordinary skills and knowledge to control the forces of nature and impart the knowledge and power of the gods to people.