Which effect does repetition the world “Flash’d” have on the stanza?

Maybe it shows emphasis idk the context of the poem

1vertical line 2 vertical lines 2 vertical lines 1 vertical line 1 horizontal line1 vertical line 2 vertical lines 2 vertical lines 1 vertical line 1 horizontal line1 vertical line 2 vertical lines 2 vertical lines 1 vertical line 1 horizontal line1 vertical line 2 vertical lines 2 vertical lines 1 vertical line 1 horizontal line1 vertical line 2 vertical lines 2 vertical lines 1 vertical line 1 horizontal line1 vertical line 2 vertical lines 2 vertical lines 1 vertical line 1 horizontal line