- Projects a large Control Area allowing buildings to be placed on a large part of the map.
- Key structure for Tyranids. Solidifies your hold on a strategic location by placing a building on it.
- Generates the Influence resource.
- Also generates the Biomass resource with low rate.
- Can be upgraded to generate Influence at a higher rate.
- The same upgrades provide a global bonus to Biomass resource production rates. It is no cumulative with other Spore Chimneys. One add-on enough for this.
- Spawns: Spore Mine Clusters.
- Exudes Toxic Miasma and Synapse by research.