What word does these adjectives: arrogant, in black armor modify?

The excerpt above is from page 21 of harry potter and the sorcerers stone by j.k rowling. which passage represents a

It's to know your purpose before you read something because a purpose can:

Read the excerpt from a history of the world in 100 objects. power is usually not willingly given, but forcefully taken; and in both europe and america the nineteenth century was punctuated by political protest, with periodic revolutions on the continent, the civil war in america and, in britain, a steady struggle to widen the suffrage. what would be a benefit of reading this text rather than listening to an audio version of it? the reader could analyze the text features in the excerpt. the reader could visualize the description given. the reader could set his or her own pace and reread parts for clarity. the reader could hear the sounds of the political protest.