The promised DIY forest to create in your kingdom! You'll need some patience , worth a try ,it does transform any space . Photos progress is below the video !
Things you will need a grey wall ,nothing fancy ad some black pigment in a white tub of paint and off you go , any grey will do.
paint an irregular white stripes
Using the wide brush with a light touch side strokes .
Draw slim irregular lines on two sides , shaky hands are good for this job
Ad some dark grey from right to left with the small fan brush.
Ad big black blobs as you desire anywhere , irregular shapes , draw black branches .
Repeat till you are satisfied !
Awaiting the pics of your success )))