As part of your reward, tu can download pottermore artwork of your Gryffindor common room as fondo de pantalla and screensavers for your electronic devices in the following links.
fondo de pantalla
pottermore
house cup
winner
gryffindor
common room
This harry potter fondo de pantalla might contain
sala de estar, sala de retirar, salón retiro de sala, salón, sala de estar, sala de dibujo, sala de estar, salón, sala, living comedor, and habitación frente.