midnight
And as the lad leaned upon his sword , and thought of the deed he had done , behold ! the shining Greyfell , with the beaming , hopeful mane , having crossed the now bright river , stood by his side . And Regin , his face grown wondrous cold , came trudging over the meadows ; and his heart was full of guile . Then the mountain vultures came wheeling downwards to look upon the dead dragon ; and with them were two ravens , black as midnight . And when Siegfried saw these ravens he knew them to be Odin 's birds , -- Hugin , thought , and Munin , memory . And they alighted on the ground near by ; and the lad listened to hear what they would say . Then Hugin flapped his wings , and said , -- `` The deed is done .