"Father's birthday is in a month, so we'll strike then during his birthday celebration. I'm sure no one would expect it because most nobles will be there, and the number of guards will be higher than normal. But we have the element of surprise, and that's what we'll bank on." Amber, Crystal's sister, was ready for the succession war to start and was tired of waiting.
She extensively studied her siblings' factions and got as much information on them as possible. She wasn't worried about her younger brother Beryl, who was a fool and a puppet to the church of Arion.
Crystal dropped out and wasn't a threat. Even if she didn't, she would easily be dealt with. That was Amber's thoughts at least. The only problems she would face were her two older siblings, Ruby, the eldest, and Lapis, the second oldest.