Blazing Scourge Blockers
Concept · Stellaris 4.5.2
Blazing Scourge Blockers in the Stellaris encyclopedia: Adds up to 5 Blockers to the planet:
Blazing Scourge Blockers in the game's words
The encyclopedia entry as the game shows it in its tooltips; underlined words open their own entry or page here.
Adds up to 5 
Blockers to the planet:
- Each gradually decreases the Planet Habitability by 20%.
- Grants 
Unity and Amenities.
- Some grant 
Volatile Motes and 
Exotic Gases if the tech is researched.
It is time for us to truly embrace the flames and test our mettle. Set the whole planet on fire!
Source: common/game_concepts (concept_dec_blazing_scourge) and localisation/english, Stellaris Cygnus v4.5.2 (9776).