How to make a very dark room in UE4 in a dayLight

How to make a very dark room in UE4 in a dayLight

It's Easy. The exposure of eye turn a dark room more light. This can be a nice effect but otherways is a pain in the ass.

To avoid it, put a post process volume in scene.

The unbound checkbox turn everthing in level as inside the post volume.

Set the exposures values. just that. 

The result is a very dark room baby!!!