Soul Anchor

This spell ties the victim's life force to a particular edifice-a building, an estate, a castle, etc. This prevents the victim from leaving that place unless released from the spell-a simple dispel magic or remove curse will do the trick, but the spell also is negated if the owner of the building or estate grants permission to leave. (The owner can be charmed or otherwise forced into granting permission.)

The specified place of the anchor must have clearly defined borders, such as the walls of a castle. A stand of trees does not have a clearly definable border and hence is an unsuitable place for a soul anchor. DMs should note that property lines, if clearly known and understood by both the caster and subject, are acceptable for this purpose.