where does the boss spawn in mushroom rocks north?

Hi there bruceleekungfu,

If u hit the m key on your keyboard when the boss event is @100% you will see boss icons on your map screen all you have to do is fly to the area and jion into the fight .

Heres a guide for the boss event made by gamemoderator gokusama it is by far the best guide for this event in the forums take a read if you get the chance

hope that helps .

regards boxbox, dbog moderator