Necrotic Tempest

D&D 2024 hazard: Necrotic Tempest. Source: Tasha's Cauldron of Everything. hazard type Eldritch Storm Storms infused with the essence of death roil with dark clouds that manifest leering skulls and bone-white lightning. Any creature exposed to the storm that isn't a construct or an undead must succeed on a 13 Constitution saving throw at the end of each minute or take 3d6 necrotic damage. A creature that dies in a necrotic tempest rises as a skeleton or zombie (your choice) 1d10 minutes later. A necrotic tempest lasts for 1d4 hours and leaves crops withered and wells undrinkable for 1d4 days after its passing.