Unstable magic

When magic backfires, unstable magic is released in the area. The amount of unstable magic depends on the scale and strength of the magic that backfired. Prolonged exposure to large amounts of unstable magic can have disastrous effects on the environment. When an area is affected by unstable magic for a prolonged period of time a Magical anomaly subspecies will start to manifest. The subspecies that manifests depends on the levels of unstable magic.
When a living creature is exposed to large amounts of unstable magic they can suffer from Instability

Type

Metaphysical, Arcane