This is a type of personification. Personification is like a figure of the speech in which the non-living things are present as living things such as human beings. This is an art in which non-human things are present as living things. Personification is the quality that presents the qualities, feelings, emotions, and sensation and the gestures with the help of metaphor.
Thus here the lines such as where far remote/ the moonbeam gloats carry a personification in its meaning.
