Why my banner is not performing well?
First of all, you have to take into consideration that Kinguin Advertiser is a tool used by many other merchants. Of course, it allows you to be placed in the most viewed locations of kinguin.net but you have to keep in mind that on top of the price, you will be competing with others according to your CPC limit.
You always have the possibility of testing a new strategy by increasing you CPC pricing / your daily budget to get more impressions.
Although those two settings will help you be stronger in our system and will definitely increase the number of impressions, keep in mind that you are advertising your offer and that the price remains the same. So if you advertise a product that is 20% more expensive than the best offer on kinguin.net, it may be the main cause of your lack of performance.