>they think they can become like Gods
>What does it mean to be covered in gold?
Not sure, but I think the whole covered in gold thing maybe that they perceive themselves as gods - or that they believe they have become gods. Been born again as gods .. some kind of baptism if you like.
However, Zeus, the king of the gods, desired her, and came to her in the form of golden rain which streamed in through the roof of the subterranean chamber and down into her womb. Soon after, their child Perseus was born.
https://en.wikipedia.org/wiki/Danae