In Pax, Logue imagines that the hatred in Achilles’ eyes is so violent and has such power that it might damage the metal of his divine armour if he looked at it with fully open eyes. If the poet simply said that this did happen the idea would immediately go flat and lose all its wonder. Instead he says that when Thetis laid the armour on the sand
Nobody looked. They were afraid.
Except Achilles: looked,
Lifted a piece of it between his hands;
Turned it; tested the weight of it; and then
Spun the holy tungsten like a star …