Book X
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Diomede offered himself for this service, and being permitted to select a companion, he made choice of Ulysses. The two warriors at once put on their armor, and took up their weapons. Then they went out into the plain, each praying to Minerva to grant them success. Cautiously they moved forward towards the camp of the enemy.
With dreadful thoughts they trace the dreary way, Through the black horrors of the ensanguined plain, Through dust, through blood, o'er arms, and hills of slain.
POPE, _Iliad_,