Central Factory - the following locations have the highest spawn rate (18%) for Black Styrene: * GF: Maintenance Entrance 1; look for the spawn points on the climbable walls * GF: northeast of the Control Tower; between the two stairways * GF: south of the Control Tower; inside the hangars * GF: Storage Depot; mid-left and mid-right area of the room * 2F: Large Mechon Store; from the map, look for the H-shaped platform. The spawn point is below it (roughly at the center of the H). * 2F: Inside the Factory Vent. There is a spawn point on the passage ahead. * 2F: Inside the Factory Vent. From the map, look for the narrow platform in the middle. The spawn point is at the south end of the platform. * 3F: Inside the Factory Vent. After reaching 3F, the passages lea