The phrase "forbidden magic" is grammatically correct and can be used in written English.
You can use it to refer to magic that is prohibited or not allowed. It can also carry a sense of danger or secrecy, as forbidden things often do. Example: The ancient book was said to contain spells for forbidden magic, but anyone caught using them would face severe consequences from the magical council.
There are hundreds of monsters to kill, tons of NPCs to talk to and forbidden magic to learn.
The plot weaving around this relationship --Teldaru's grisly, frankly far-fetched schemes for the throne, the exploration of forbidden magic -- is almost a tangent, or a vehicle by which to explore a tangled, horrid, erotic bond.
Poetry has had plenty of mystics and experimenters since Hardy's death; even before he died, he saw that the modernists were turning toward the forbidden magics of vitalism, occultism, and nihilism.
Harry returns to the Dursleys' for the summer holiday, but does not tell them that under-age wizards are forbidden to use magic outside of Hogwarts.
Acting and dancing were similarly suspect occupations, and any involvement in magic was completely forbidden.
And do not care to understand, demanding magic from this forbidden journey, though the simple refraction of light at end of day may be grammar-school science".
The book's got it all -- epic travel, forbidden romance and wild, untamed magic.
For those who, like Mr. Rondthaler, believe that the picture tunnel's magic will be hidden if cars are forbidden, that's small comfort.
Everything invites the reader to pry into forbidden corridors, leap upwards into exhilarating flight, and investigate the hidden magic in the apparently mundane.
Shannon's ingredients include magic, evil government overlords, some steampunk elements (everyone in this future London wears Victorian-era clothes) and even a forbidden romance with an otherworldly male with some suspiciously vampiric habits.
