Little edit, It might be dumb, but this time, I added the light in the blueprint (as it’s in different part, so it’s a blueprint, forgot to say that), and now it works better. But the light seem to be way stronger than with a light outside the blueprint, but I’ll check this. But anyway, I’m still wondering what could cause that weird shadows. Is it better to always do a blueprint and put the light in, and not do it in the scene ? (might seem a really dumb question, I know x) )