It's the upgraded version of the Blast Furnace. Unlocked by: Blast Furnace. It has an efficiency of about 60-70% (Fission Furnace has an efficiency of 50%) and provides even more extra materials. It can be built in the Matter Assembler. * 4x Molten Core * 20x Advanced Alloy * 2x Focusing Array * 1x Blast Furnace * 2x A.I. Chip