Tainted Soil (Thaumcraft 5)

The Tainted Soil is a block from Thaumcraft 5. It can be found in the Tainted Lands biome, or where Fibrous Taint has grown onto Dirt. The Ethereal Bloom will convert nearby Tainted Soil into Degraded Taint Dust.

As a tainted block, Tainted Soil can spawn Fibrous Taint and convert adjacent blocks to tainted blocks.