Hard to get terrain world comp lighting RIGHT

Btw, ‘what kind’ of a camera is required to do that/are there TUTS for this procedure ? I suspect you’re losing quite a few with this- artists won’t have much of a clue( most) .
Bringing this into a POV for my own current 2x2 5101x5101 world comp level…only a few stair brushes basically , few trees-deffault sandrock landscape texture- one directional light while enough so far, there is one part of terrain that isn’t working as intended, and given 'lighting isn’t artist friendly atm, how do I go about getting THIS picture to look like this editor image ?