He didn't know. Oh, this is going to suck. Strange continues to try his hardest not to meet Yuya's gaze as the conversation continues.

"They weren't. Some of them were just illusions, created by the prince. I can only assume he drew some of them from our minds as the results were quite specific." After all, during the ball, Strange had to contend with his enemy, his friend, and his wife, all seemingly real. The Prince had to have been rooting around his thoughts just to come up with illusions that felt so perfect.

"Arabella was—" take a deep breath, press onwards, you need to say this. "Arabella was one of them. She wasn't real."