Crown of Midnight (Throne of Glass, #2)

by Sarah J. Maas

It is only with the eye that one can see rightly.

Eye of elana maybe?

Iron was the one element immune to magic;

“You have power in you, Prince. More power than you realize.” She touched his chest, tracing a symbol there,

… the world that showed through the arch, depicting a land of mist and rock.

Did she open a door to the prison in acotar??

Dorian didn’t just have magic—he had raw magic. The rarest, and deadliest, kind. Sheer undiluted power, capable of being shaped into whatever form the wielder desired.

Celaena was Fae.

“My great-grandmother was Fae,” she said. “And even though my mother couldn’t switch into an animal form the way the Fae can, I somehow inherited the ability to shift. Between my Fae form and my human form.”