https://www.enworld.org/threads/long-corlon-and-ivanhoe-stay-out-psychic-magical-anomalee-suspension-corridor.29609/
(long) (Corlon and Ivanhoe stay out!) Psychic/Magical anomalee: Suspension Corridor | EN World D&D...
Suspension corridors are swirling, 15-foot diameter tubes of magical or psychic energy. They are near invisable, requiring a Spot check Dc 20 or Search...