26 He lifts up a banner for the distant nations, he whistles for those at the ends of the earth. Here they come, swiftly and speedily!
27 Not one of them grows tired or stumbles, not one slumbers or sleeps; not a belt is loosened at the waist, not a sandal strap is broken.
28 Their arrows are sharp, all their bows are strung; their horses’ hooves seem like flint, their chariot wheels like a whirlwind.

References for Isaiah 5:28

29 Their roar is like that of the lion, they roar like young lions; they growl as they seize their prey and carry it off with no one to rescue.
30 In that day they will roar over it like the roaring of the sea. And if one looks at the land, there is only darkness and distress; even the sun will be darkened by clouds.