Sometimes you need to bake all lighting into the diffuse color of the texture. in the new release 2021 (from version 07) you can find this command on Textures > Light Baking Tool >  Light and Reflections  Thx @sprayer for sharing this video Open shader ball for example, fill layer with any reflective Smart Material, bake your reflection and it creates reflection layer  in texture. * @Silas Merlinadvice: if bake is too dark try modifying setting intensity.  It