I zoomed in. The first sentence started with phrases and names that show up a lot, so it was easy to read them based on context even if the text was really tiny. That was enough for google to land on a single verse that matched, and then it was easy to see that the rest of it continued to match the source.
Not gunna lie, after this the MC gets pretty OP and it starts to go downhill. I mean there might be some cool parts but from what ive read in the novel but the ending is pretty shit