About this video

This mod allows for full customization of light and shadow variables of all in-game lightsources by groups.
https://www.nexusmods.com/witcher3/mods/3027

Want to tweak the brightness, range or color of only the torches? Just adjust the sliders.
Want to enable vanilla shadows just for Braziers? Done.
Want your campfire to be bright green? You can do this with this mod.