4 Against two foes of so exceeding might,
so > such
5 The least of which was match for any knight.
least > lesser
6 And now the other, whom he erst did daunt,
erst > not long ago; first daunt > overcome, subdue
7 Had reared himself again to cruel fight, 8 Three times more furious, and more puissant,
puissant > powerful
9 Unmindful of his wound, of his fate ignorant.
ignorant > unconscious; hence: heedless