The series uses the method of cutting pieces of charcoal and grinding the surface. The artist tries to expand the charcoal into various sculptural forms that show the essence of charcoal. In the painting from Issu du feu, cross sections of hundreds of charcoal piecess fill the screen with different light expressions. Various angles of lights are soft and shy. It is like pieces of charcoal have been cut in cross-sections, and they look like tree rings that are very delicate and precise.