 Piper's main weapon is her dagger Katoptris, though she later acquires a magic cornucopia and uses it as a weapon.After being captured by pirates in "The House of Hades", Piper asks Hazel to teach her sword fighting, using a jagged celestial bronze sword taken from one of the Boreads.In "The Hidden Oracle", Nico mentions that Piper is currently attending school in Los Angeles, together with Jason.