He had saved the forest from the railroads, so he knew how to work dark magic.

If working an old battery, never renew very strong, or it will work dark and heavy.

I have seen him work dark miracles that would freeze your spine; such a thing seems almost trivial.

Well, there are no dragons in Carnival Row, but there are fairies, horned creatures called pucks, and sorcerers who can work dark magic.

When I worked dark magic, I was empty, carved hollow with grief.