Described as an act of stealth, selfish, feeling powerful, ego growing, magical quality to the moment, feeling all-powerful like the hero of a mythical story
The repetition of 'no' in 'no familiar shapes remained, no pleasant images of trees of sea or sky, no colours of green fields' shows how the speaker's pride from the opening lines has vanished
In terms of misguided notions of human power, 'Ozymandias', 'My Last Duchess', 'Kamikaze', and 'Tissue' are perhaps the most obvious picks to compare with the extract from 'The Prelude'