If you noticed there is always a bonus “EXP” and “GOLD” maps in every chapter. The EXP map provides you with higher EXP compare to the normal map. Here is where the quick pass come in place which allows you complete the map immediately.
a) Always try to conquer the highest chapter EXP map and use the quick pass to complete the map. This allows you to obtained the highest EXP possible.
b) The quick pass can be obtained in various daily quests and arena which was covered in the previous guide.
c) Using gems to purchase energy also allow you to level even faster provided you have sufficient quick pass.