While the usage of magic varies greatly depending on the nature of the caster, some principles of magic seem to be universal.
Black magic, according to Nightingales definition, is the use of magic in a way as to cause a breach of the Queen`s Peace.
Different countries and regions have different traditions and spells.
Vestigia is described as an afterimage, and can manifest as feelings, smells, tastes and sounds. Intense vestigia can be created by magic, but all living things seem to create some amount of it.