Portal:

Name: Portal
Complexity: Very Hard
Cast Time: Ritual
Initial Cost: 8
Upkeep Cost: 1
Usable By: Either
Hidden: False
Effect:
If successful, you may open a two-way portal between two hexes on the world map. The maximum distance between these two hexes is equal to half your total roll, rounded up. Treat the two hex ends of the portal as if they were adjacent. The upkeep of this spell is equal to 1/10th of the distance between the ends of the portal, rounded up
Creator: Unknown