An elf PRINCESS~
Who becomes Eragon's love interest/object of his angsting.
And yes, she is powerful.
Which is why It's kind of annoying for her to have been bothered by the ambush. She should have backflipped off the horse and broke the urgal's necks with a snap-kick.
“She'd become a governess. It was one of the few jobs a known lady could do. And she'd taken to it well. She'd sworn that if she did indeed ever find herself dancing on rooftops with chimney sweeps she'd beat herself to death with her own umbrella.”
― Hogfather