Jesus' response was that He was the one who gave them the authority over the demons, and in fact, He was there when Satan fell from heaven (an obvious reference to His deity).
Chopi CCE Seni koko Jesu aci khene kwakwe, Khuka Satani, ngu kuva ku batwe vaci, Una kidzamela mkoma Nkulukumba wawena uci tumela ene ekha.