If we're being picky, the flower Eragon created was a regular lily, which was then gilded.
Also, Eragon had two Grandfathers. Cadoc was his maternal grandfather, i.e. his mother's father. Brom's father is called Holcomb, which is alluded to in his last name, Holcombsson.
Also, Eragon had two Grandfathers. Cadoc was his maternal grandfather, i.e. his mother's father. Brom's father is called Holcomb, which is alluded to in his last name, Holcombsson.
Otherwise, great quiz!