The French prisoner Pérron learns that the harbour Aborigines “had a sort of religious terror of the Blue Mountains: they think them the residence of a kind of evil spirit, to whom they’re represented by a variety of grotesque figures.” Karskens, The Colony, p. 376. There appears to be a kind of peace on the Hawkesbury, but it dissolves again when another group of warriors begins a campaign to drive the settlers out of the land. Hostilities soon grow more violent.