No more magic than is used in recalling a story. It is- I am no chirurgeon. I couldn't begin to explain it as it deserves to be explained, I will try.

A friend [ Mathias. ] told me once that human thought produces tiny sparks in the mind. The Collector remembers, and then uses those sparks to activate the components. Just as you'd put a spark on dry wood to make a fire.

[ He finally looks over at Alucard. ]

You worry.