The Ritual of the Border was a powerful spell devised by the elven mage Vraith.
The spell could be used to enlarge the size of plagueland or it could be used to encapsulate rogue areas of spellplague. The ritual required volunteers, who often died horribly during the ritual.
- ↑ Jak Koke (August 2009). The Edge of Chaos. (Wizards of the Coast). ISBN 978-0-7869-5189-5.