Plz help me come up with an antagonist for my story

[pmmg]

Just looking up the fate of Vasti, while the bible does not say, there are jewish stories that suggest she was beheaded by the king and suffered a worse fate than exile.

 

[Trailofstardust]

Everyone knows that anyone who could be seen as legitimate on the throne is a threat and very often they are quietly removed.

What if Vashti had a son?

She doesn't, and I don't know how having a son would change anything. Besides the fact that Vashti is so young at the beginning of her story, when she loses her position, that such a thing would be creepy to a YA audience.

Are you saying that Vashti could be seen as a legitimate contender for the throne?

As for threats to the throne being removed, in the real Achaemenid persia which Esther is supposed to take place, the rebel Megabyzus attempted to rebel against the king, but was pardoned and lived out his life quietly.

And of course, regardless of what traditional jewish sources say, for Vashti to be a protagonist in my story she needs survive after refusing the king. And these traditional sources seem to contradict the text, which states that she was banned from ever entering the king's presence. For that to be necessary she needs to be alive.