But Hector so vehemently insists that they maintain the advantage gained, that they camp on the plain, where Jupiter predicts his wife's wish will be granted and her favorite Achilles win great glory.

It is in the course of that night that Thetis visits Vulcan's forge and in the attitude of a suppliant implores the divine blacksmith to make an armor for her son.

Not only does Vulcan consent, but hurries off to his anvil, where he and Cyclops labor to such good purpose that a superb suit of armor is ready by dawn.
_Book XIX._ Aurora has barely risen from the bosom of the sea, when Thetis enters her son's tent, bearing these wonderful weapons.

Finding him still weeping over his friend's remains, Thetis urges him to rouse himself and fight.

At the sight of the armor she brings, Achilles' ardor is so kindled that he proclaims he will avenge his friend.
Pleased to think the Greeks will have the help of this champion, Agamemnon humbly apologizes for the past, proffering gifts and a feast, which latter Achilles refuses to attend as long as Patroclus is unavenged.