Scramble Portal

You alter the configuration of a teleportation circle or other portal so others cannot travel through it.

Component Cost: 1,600 gp
Market Price: 4,000 gp
Key Skill: Arcana
Level: 14
Category: Warding
Time: 10 minutes
Duration: Special

Scramble Portal allows you to alter the magic of a permanent portal, making it malfunction. For the ritual’s duration, the portal sends creatures passing through it to a random destination (DM’s discretion).
    At the completion of the ritual, make a Arcana check. The result determines how long the portal remains scrambled.

Arcana Check ResultDuration
24 or lower1 hour
25–348 hours
35–441 day
45+7 days

Published in Manual of the Planes, page(s) 151.