Powerlevel 85-90 in less than 10hours with pet battle

To do this you need 2 or 3 level 25 battle pet ( flying attack is great for that), you can level some pet with this guide but you will loose time of course

1. Go with your alt to Vale of Eternal Blossoms
2. Pet battle near the water next to mogu shan palace ( i win 195k by battle at level 89), easy to chain
3. Profit