Material: control light on a object without Emissive

In that case, you want to change your to material’s Shading Model to ‘Unlit’ and the Blend Mode to ‘Translucent’ which will get you started in the right direction.

I believe a good example of this set up you are going for can be found within a particle system, like the impact of a bullet hitting a surface and creating the smoke effect. Below is an example of this material set up:

Hope this helps!