Aberration Metamorphosis is an extremely rare disease ... When the disease becomes active, the carrier undergoes a painful transformation, changing into something entirely unrecognizable.
The Changeling Curse is a supernatural phenomenon that curses creatures to sometimes give birth to 'sentient' offspring.
Magick-Induced Weather is a supernatural phenomenon that can induce extreme changes in weather in a localized area ... the localized changes can easily change course and move elsewhere.
A weirding occurs when magical energies begin to conflict and warp the natural land ... [it is] understood that weirding takes place when there is too much uncontrolled magic essence in one area.