No DM Adventure: Grasp Of The Grave (+5 New Monsters!) (Patreon)

https://www.kassoon.com/dnd/no-dm/grasp-of-the-grave/ 

In a land ravaged by a lich's dark magic, venture into an undead wasteland, where soul-stealing corpse flowers and spectral undead await.

https://www.kassoon.com/dnd/no-dm/grasp-of-the-grave/

There's also some new monsters available, inspired by the adventure that you can use in your games:

Wraith Soldier: https://www.kassoon.com/dnd/monster-stat-block/2936/wraith-soldier/ 

Phantomania: https://www.kassoon.com/dnd/monster-stat-block/2935/phantomania/ 

Bile Zombie: https://www.kassoon.com/dnd/monster-stat-block/2934/bile-zombie/ 

Arachniferno: https://www.kassoon.com/dnd/monster-stat-block/2937/arachniferno/ 

Tombwalker: https://www.kassoon.com/dnd/monster-stat-block/2939/tombwalker/