 Exactly what acts of cruelty were perpetrated by Fastrada against Pepin (or, more likely, against the nobles who encouraged Pepin) is unclear; but she seems to have exacerbated existing tensions between Charlemagne and the aristocracy.Finally, Charles was away from his central kingdom during the year of 792, residing in Bavaria (at Regensburg) in order to better manage his campaign against the Avars.According to Einhard's account, instead of accompanying his father, Pepin the Hunchback faked sickness.