Can I cast Passwall to drop an enemy into a 20-foot pit? The passage created by Passwall is No more than 8 feet tall The spell reads: You choose the opening's dimensions: up to 5 feet wide, 8 feet tall, and 20 feet deep These are restrictions on the passage For normal use, the height of a passwall tunnel and its depth are in different direction For a "pit", depth and height end up aligning