This object is a lowpoly classic country fireplace, the file doesn't contain any particle system or fire, the lights and ground are not in the blender scene.
The materials are principled shaders using the PBR texture system. (Basecolor, roughness, normal, metallic and height maps)
the file format for the textures is png, and the resolutions are in 2k and 1k.
.fbx and .obj formats are not linked with textures
this model is in a Unity Package too ! Materials are already assigned with textures in this package.
you will find all the texture set in the fireplace_blender folder