Create a surreal scene featuring a bird made of saws, resembling a crow

Create a surreal scene featuring a bird made of saws, resembling a crow, perched on a twisted, barren tree. The tree is growing on the edge of a jagged, rocky mountain with streams of glowing lava flowing down its sides. The environment should be dark and ominous, with the fiery glow of the lava casting eerie shadows. The sky above is filled with ash and smoke, adding to the intense and foreboding atmosphere