C378 Nine Dead and One Alive
Red lava flowed in the river like giant pythons, occasionally boiling red lava. Underneath the river of lava was a series of blue stones. It was unknown what material these stones were made of as they floated above the surface of the magma. The high temperature of the magma was completely useless against them.
Obviously, if they wanted to cross this path, they had to rely on these bluestones