"They were," Strange explains, with a nod. "I managed to break the enchantment on one of them. I'm certain I can replicate it, but the effects have been...off lately." A nice way of saying Strange has absolutely no clue how to replicate it because the last time was a fluke accident.

As for Yuya's question, Strange frowns. How best to explain this...

"He had a place where people could be stored and he had a spell ready to warp their minds. I thought he wanted us here as a show of power, but he might have wanted us here just in the hopes one of our number would mess up."