Nico had proven himself in other ways. He'd kept the camps' secrets for the best of reasons, because he feared a war. He had plunged into Tartarus alone, voluntarily, to find the Doors of Death. He'd been captured and imprisoned by giants. He had led the crew of the Argo II into the House of Hades...and now he had accepted yet another terrible quest: raking himself to haul the Athene Parthenos back to Camp Half-Blood.