"Tomb of Annihilation" is a Dungeons & Dragons adventure module for levels 1-11. It was published in 2017.

In the adventure, the players must journey to the jungle region of Chult in order to stop a powerful curse that is killing people across the Forgotten Realms. The source of the curse is an ancient artifact known as the Soulmonger, which is hidden within the Tomb of the Nine Gods, an ancient and dangerous tomb filled with traps and monsters.

The players must travel to Chult and explore the jungle, searching for clues and facing challenges such as jungle exploration, dungeon delves, and battles against powerful foes. Along the way, they will encounter a variety of allies and enemies, including a group of mercenaries hired to find the Soulmonger, a group of rebels fighting against the tyrannical rule of the yuan-ti, and a group of undead guardians protecting the tomb.

Ultimately, the players must find a way to enter the tomb and defeat the powerful undead guardian known as Acererak in order to destroy the Soulmonger and stop the curse. The adventure includes a variety of challenges for the players to overcome, including battles against powerful foes, puzzles to solve, and moral dilemmas to confront.