Indeed, Oliver could not deny it. In the face of many of his problems, he simply summoned up as much strength, and as much will as he could. That was the style of Overwhelm in its essense, and it was all he had. Even with the Dark God's taunting, he did not think that he could yet provide an adequate replacement for it.
"Fine," he said eventually. His eyes were already speckled with gold, so there was hardly any need for him to loosen Ingolsol's chains further. But even that fraction that he did allow caused a great wave of pleasure to emanate out from the Dark God. He made himself known, to the slightest degree more, and he looked out on the battlefield, drinking in all their fear.
With him, Oliver let loose Claudia. She was just as overwhelming, in her own sort of way. She looked for Progress in their hearts. Their hope, and their longing, and she bid that he do what he could to encourage them.