Brimstone has many references in its meaning including the idea of being cast into Hell. Brimstone is often equated with Hell and Hell's properties. Hell is thought as dark and hard, and brimstone exemplifies the hard and threatening characteristics of Hell. Brimstone usually describes sulfur, and is associated with punishment and excruciating torment. This refers to the angels cast down into Hell as a punishment for their revolt. Sulfur and brimstone are also equated to gunpowder which symbolizes the revolution fought in heaven. Satan and his army used gunpowder to fight against God and Christ in heaven. In heaven the Lord fought with magnificent thunderbolts that were no match for Satan's gunpowder. The gunpowder foreshadows the dark depths that the angels will fall to once they lose the revolution. Brimstone conveys an image of threatening darkness that is found only in Hell.