Publisher's blurb:
Explore the World Serpent Inn and the Multiverse with 8 Adventures.
Adventures previously released have been collected into one convenient package.
...
World Serpent Inn provides a broad overview of the World Serpent Inn, a planar hub and potential home base for any band of planar adventurers. It’s a bustling place of infinite doors and infinite possibilities, and includes a host of patrons who could provide jobs for adventurers and sprawling, unknown sites worth exploring. This section also includes details on using the World Serpent Inn as a Group Patron along with five detailed encounters used to introduce and adventure within the mysterious planar tavern.
Jade Waters Job is a 2nd-level scenario that takes the party to the City of Glass on the Plane of Water in the employ of a marid merchant. Once in the metropolitan planar city, the marid is robbed, and the thieves take refuge in the frozen underworld of the city where no patrols dare enter.
Trial of the Wine Lord is a 3rd-level scenario featuring Bacchus, Lord of Wine, being accused of criminal activities in the elven realm on the plane of Arborea. The quest to clear Bacchus’ name takes the party across the first two layers of Aborea to find the truth.
Jewel of the First Khan is a 5th-level scenario set on the Plane of Earth. The characters find the resting place of a fabulous jewel possessed by the first Great Khan of the Dao, but it seems they may be too late – leading into a hunt for the thief.
Roots of the Hungry Mine is a 7th-level scenario set on both Twin Paradies of Bytopia. It seems a mining operation on the wild layer has gone silent and the surveyor who found it needs help figuring out what happened.
Dreams of Brass is a 9th-level scenario focused on the City of Brass in the Plane of Fire. A plot to overthrow the Grand Sultan pulls the characters into unfolding events involving a cult of water worshippers and a displaced salamander queen.
Vault of Dusk is an 11th-level scenario taking the party to the Plane of Faerie. The fallen elven city of Cendriane has long attracted treasure-seekers, and the characters must navigate its dark streets in order to find a site of incredible power before a band of drow beat them to it.
Riddle of Hate is a 13th-level scenario that unfolds on Elysium, a normally peaceful plane of rugged individuality and good nature. Some sinister forces have infiltrated the plane and the party stumbles onto their devising in a journey into the mysterious swampy layer of Elysium.
Labyrinth of Scorn is a 15th-level scenario that serves as a follow-up to Riddle of Hate. Now, the party is tasked with taking on a minotaur king in his own labyrinth lair on Gehenna, but before that they must find the Crawling City of the yugoloths and pull off a daring art heist.