Rishe has kept a certain activity of hers secret from Arnold, but when he appears right in front of her, there's no escaping his notice. Later she learns that Michel believes Arnold fulfills every condition necessary to conduct a particular experiment.
so I could join the knight 
candidates' training!
!وذلك كي أنضمّ لتدريب مُرشّحي الفُرسان
pour m’entraîner
avec les apprentis !
per potermi unire alle reclute in addestramento!
para participar do treinamento
de candidatos a cavaleiro!
чтобы пройти рыцарскую подготовку!