I don't know the exact main elements as I'm not familiar with this specific 'fifty first dragon story'. It could have elements like a dragon, a hero, and a quest.
I'm not sure specifically which 'the fifty first dragon story' you're referring to. There could be many dragon - related stories out there. Maybe it's from a particular collection or author.
I'm not sure as I haven't read this story specifically. But generally, it might be about a character's encounter with the fifty - first dragon, perhaps involving a battle, a quest related to the dragon, or a discovery about dragons in general.
In many Western stories, the first dragon might be considered Fafnir from Norse mythology. Fafnir was a dwarf who turned into a dragon after being cursed by the cursed gold he possessed.
It's hard to determine exactly how popular 'fifty shades of grey first time fanfiction' is. It depends on various factors like the fanfiction platforms it's on and the number of readers within the 'Fifty Shades' fan community. Some fanfictions gain a lot of attention, while others might only have a small, dedicated readership.