At long last, the advanced rulebook for the tabletop roleplaying game in the world of Konosuba has arrived! Discover new elements in addition to detailed explanations of advanced classes, such as the brand-new “Demon Lord Army,” that will allow you to enjoy this wacky world even more. It’s time to get out of Axel, the town of beginnings, and have a truly high-level adventure! Natsume Akatsuki is the author of Konosuba: God's Blessing on This Wonderful World! Kurone Mishima is the artist behind The Devil Is a Part-Timer! High School!--the high school manga spin-off of the hit light novel series The Devil is a Part-Timer!