Faerie Ring are built upon Laey lines of power. These are often part of Faeywrought Defenses or have Faeywrought Defenses as part of their make up.
They can be used to anchor and invoke a Faerie Vexation. The source of vexation can be seen in visions of flame, fog, and hallucinogens.
Vexation Negation: In rare cases, the vexation of a Faerie Ring can be ended by a willing sacrifice of those invoking the power of the Vexation decreeing it, or through a ritual that directs a living positive essence to collapse the negative vex.
A Faerie Ring is a place that can communicate with dwellers of a Ehllosarr (smallfolk) or a Weald (Elf).