"It depends -- binding something like a spirit against its will is far more involved than asking one to remain in a sword. But yes, there's some sort of enchantment laid down first, depending on what you want with the spirit and what you intend to do." She would never bind one against its will, as should be obvious. At his question, she shakes her head.

How to explain Cole -- "Cole is... different. The spirit bound does not have an attachment to a physical form, and is... diminished, before the binding." It's the best way she can put it, and givs them both a shrug as she hands it over to Syrlya.