He must have come into conflict with Mercia, since in 676 the Mercian king Æthelred invaded Kent and caused great destruction; according to Bede, even churches and monasteries were not spared, and Rochester was laid waste.
Tivo que entrar en conflito con Mercia, desde que en 676 o rei mercio Æthelred invadiu Kent e causou gran destrución; segundo Beda, nin mesmo as igrexas e os mosteiros foron perdoados, e Rochester foi arrasada.