Torag's Plague

This spell causes a sphere about 40ft in diameter to be completely infected with dark corrupted energy that raises from the ground in a flash, any creature that is in this circle must make a Constitution Saving Throw or take 14d12 necrotic damage or half as much on a successful save. Any creature that goes below 0 hit points by this spell instantly dies with no chance of saving throws. (The only thing that can bring back a creature is a spell that can resurrect such creatures)

Any flora as in biological plant life, or material from structures within 80ft from where the spell is centered instantly starts decay, ruin, and wither from corrupted energy that appears as black veins connected to the land