Ash

The residue left after something has burned. It no longer burns, but its warmth remains.
Overview
Ash is a resource found deep underground in the volcanic biome. It can be obtained by mining Ash tiles that make up the terrain or by harvesting wild Ash Trees. Because it is gathered directly from the biome itself, Ash is one of the basic materials tied to volcanic exploration and terrain processing.
Ash tiles are hazardous to walk on. Any leader, A_Ratizen, or raider who stands on them takes 1 damage every 20 in-game minutes. Natural animals are not affected by this damage, so the tile’s harmful effect applies only to faction-related units. In addition, when water flows onto natural Ash tiles, they absorb it much faster than 
Ash has a practical crafting use at the 


- Found in the volcanic biome, usually from Ash tiles and Ash Trees.
- Dangerous to stand on for long periods due to its periodic damage effect.
- Water is absorbed by natural Ash tiles very quickly.
- Used with Syrup at the Dye Workshop to craft Dye.
Official description
The residue left after something has burned. It no longer burns, but its warmth remains.