The Burden Of The Soulmancer King
"Let's talk business. Let me shed some light on what I can offer you, who these enemies are that want to capture me, and for what reasons. But before that, let me tell you the truth about the origins of this world.
"You see..."
About an hour later, a chalice quite similar to the replica in his inventory was in his hands. Against all odds, it turned out that the Spirit Artefact indeed held the Chalice of Nethershade.
It made sense in the end. Claire was still the Spirit of a chalice after all. It was only through such a vessel that she could unleash her true power. Not to mention that the legendary relic housed her most powerful soul fragment.
A fragment of her soul that she had long since reabsorbed. Now, the Chalice of Nethershade and the Spirit Artefact temporarily residing within it belonged to her.