Original Text
Then Raguel, one of the holy angels who was with me, answered me and said unto me: 'This course of fire which thou hast seen is the fire in the west which +persecutes+ all the luminaries of heaven.' XXIV. XXV. The Seven Mountains in the North-West and the Tree of Life.
Simple English
Raguel, one of the holy angels with me, explained to me: "The river of fire you saw is the fire in the west that chases all the lights of the sky."