Yeah, and I did the calculations. So we're all set.

[She nods, not seeing any reason to put it off, and then starts looking at her list of materials. One machine, a contraption of wires, pipes, and antennae-like protrusions all stuck to a two-foot-high metal container, has been operating the entire time with a steady hum, and Rita points to it.]

We'll need concentrated mana, and this is where I collect and store it. It takes a while to gather, so I keep this thing running all the time.