There is a reason why some renders get in the Editors' Pick on Artstation, and others die in vain. In a broad sense, you can say that it's composition (and you're right obviously!). But there is one "AHA!" moment about making high-quality art that is crucial, universal and rarely spoken about.
In this talk Gleb Alexandrov will explain this visual uberweapon and will share his story of making eye-popping art with Blender.
Highlights: 1. What makes the render shine/suck 2. The things you should never do while creating a visual stuff 3. Cool renders, CreativeShrimp-style