So you are clearly talented and more than capable at taking on the role. Unfortunately, you have one shot to prove how good you really are. Take a step back to analyse your key motivations, gain a good grasp of both the industry and the specific company you are applying to. Be prepared for those abstract and unusual questions!
Your face-to-face interview may be a part of an entire assessment centre day. Click on the link to find out how to prep yourself for this.