The hieroglyphs are indeed part of the geometry, I made it that way because I don’t really know how to use materials and normal maps in particular and when I made the temple I was focusing on other things. My computer is at least 5 years old and was not built for 3d modeling so Blender crashes frequently and things get really hard to work on if the scene gets too dense, that’s why I am now doing smaller and more manageable things.
Thank you for your support, I appreciate it.