D&D 5E Azers?

[BASHMAN]

The last Azer near the end of time traveled back in time and created the first Azer.

 

[Drammattex]

Since each azer is imbued with a portion of the crafter's inner flame, perhaps the first azer was the flame itself, which crafted a shape for itself and began The Great Work. Or perhaps a spark from Moradin's anvil. Or perhaps something else entirely...