"Pretty sure she could cast light in her sleep. I say like I have literally any personal idea about what using magic is like, let alone difference in spells." Whatever, details. His point here is.. she makes all of it look easy. And any kind of light casting is probably one of her easier feats to do with magic, considering what else she can do with it. "I'm sure you'll soon enough run into her as she's very social, but if you want make sure you run into her even sooner rather than later - her name is Peony."