He still was not sure what he wanted to do, and now that he had Greengrass right there he was reconsidering how much of a help he could be. Of course, if he'd still been on the run he could have offered freedom in exchange for ingredients as they played cat and mouse through the observatory aisles, but now Greengrass was here and letting him go meant having to find him again.

And how inconvenient that would be.

"It's of no consequence now," he finally answered, raising his wand at the same time. He conjured up a rope, and then in the next spell used it to magically bind Greengrass' hands. "What I need you to do is stay put. I have something I need to do."

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