Wardstone

A Wardstone is a minor artifact, a magical item of incredible power, generally beyond the ability of mortals to create. It is a menhir inscribed with runes which wards out demons. Its power must be maintained by regular prayers and rituals. The wardstones are infused with the rare mineral nexovar, found in the hills along the Egelsee River in Mendev, which helps to combat the demonic taint.

The first Wardstone was erected in 4639 AR in the Kite in Kenabres. This required a ritual which occurred under the guidance of Iomedae's herald.

A string of fortresses were established on the border between Mendev and the Worldwound after the Second Mendevian Crusade. Each fortress is named after a dead crusader general, and contains a wardstone.

The greatest of these fortresses is Clydwell Keep, which houses the Demonscope, the artifact which powers the wardstones. It is guarded by the Order of Holy Sentinels.

Creatures of intrinsically chaotic or evil nature cannot pass between wardstones; thus they serve to ensure the demons of the Worldwound cannot venture into Mendev. However, these obelisks must be continuously maintained by priests and protected from demonic attacks.

The wardstones also prevent any form of teleportation magic from functioning across the borders, whether from a demonic source or otherwise. The wardstones do not hinder such magic from functioning normally inside the Worldwound.

Section heading
The wardstone of Kenabres has been attacked, it's disposition within the Kite is unknown.

Link
http://www.pathfinderwiki.com/wiki/Wardstone