The '4th INFERNO'
Is represented by the platonic solid tetrahedron, a triangle, the element of fire. The platonic solid of fire represents balance, stability, and unity within ones spiritual self.
Fire is a balancer of life, for with out destruction life can not be reborn.
Moreover, the tetrahedron is considered to be a symbol of transformation and change. It is believed to represent the process of manifestation, where ideas or intentions become reality.