Biofuel

Biofuel is a Tier 6 Oil-type Material for developing and upgrading weapons and armor at Chokufunsha.

Locations
As a 6-Star Material, it can rarely be found within floors 42-49 in the Oil-specific areas.

Floors in  Bold  are connected to the main elevator / return you to the Waiting Room.

Uses
NOTE: Tier is a level of power typically based on the number of times equipment has changed forms, not the number of stars it has.