To start flying, reach level 20 and head to the [Station] NPC in SM, Flaris, or Darkon. Make sure you've got some penya to buy a board or broom. The quickest options from the NPC cost 200,000 penya, but you can get a basic one for as low as 5,000 penya.

If you're willing to splurge, check out the Cash Shop for fancier boards. Be warned, they're pricey. Cheaper options will fly slower, while the 200,000 penya ones are the fastest from the NPC. Cash Shop boards/brooms not only look better but can also be the speediest in the game.

Fly towards the target and press [TAB] key on your keyboard to lock-in the target. Now fly towards it and press Z, you should now be flying around the targeted Masquerpet. To attack, Hold down [INSERT] key and then press [ENTER]. This should Auto attack the flying mob. If you don't have [INSERT] key on your keyboard, just click the monster to attack it