[@Jones Sparrow]

Are mages only able to control one element? Or can they control multiple?

Also in what way does it manifest? Is it like any other fantasy realm where you can just shape the magic to your design?

(I haven't played much of the Witcher, just FYI. I'm also very unfamiliar with the lore, especially regarding sorcerer/sorceress)

EDIT: Do mages need a conduit for their magic as well? ie. a wand or staff?