“Nico,” I said, “we need your help.” He folded his arms and scowled. Then Annabeth put her hand on his shoulder. “Nico,” she said. “Please.” Slowly, his expression softened. “All right,” he said reluctantly. “For you. But I’m not staying.” I raised an eyebrow at Annabeth, like, How come all of the sudden Nico listens to you? She stuck her tongue out at me.