In this tutorial I'm going to practice in creating some cool illustrations with cool effects.
So begin by creating your work document.
Now make a mere selection using – the Selection Tool (M).
Drag the selection:
Use feather command – the definition is about 25 pixels:
We will get this:
Now just fill the selected area with simple black color.
And further on with such gradient – do it several times.
The mode is Overlay – Opacity about 50%-60%.
So begin by creating your work document.
Now make a mere selection using – the Selection Tool (M).
Drag the selection:
Use feather command – the definition is about 25 pixels:

We will get this:
Now just fill the selected area with simple black color.
And further on with such gradient – do it several times.
The mode is Overlay – Opacity about 50%-60%.

