He has played above his level many times and done well.He has an impressive physique but also good technique to go with it.Time will tell of course what his level is as one can never really tell at this point.
One player I am really looking forward to seeing is charly musonda,watched him once sometime ago in a regional youth tournament and he stood out massively,not surprising since I read after he joined Chelsea that he has been the best player in every tournament he has played.There is a video of him on YouTube and although it is true it is stupid to judge players by watching compliations that video does show what his game is about. Knows when to release the pass and is very Iniesta like is his dribbling, in the sense that he has a very simple and very graceful style with no deception or great pace, just pure technique with the ball.Very interested to see how he does, he was pretty much the most highest rated player of Belgium.