Glowing letter A rendered with molten lava effect on dark textured surface.

Digital render utilizing thermal lighting simulation applied to alphabetic character. Magma-gradient coloration transitioned from yellow-white core through orange-red intermediate zones to charcoal substrate. Incandescent edges produce particle emission artifact. Surface texture demonstrates irregular granular topology with ash-like material properties. Subsurface illumination technique generates volumetric glow. Depth-of-field rendering creates atmospheric haze background. Technical methodology employs physically-based material simulation for lava appearance.