I recommend Selkie Jr.'s; Mysterious Path 3 is also a great training spot and can earn you some decent money as well.
Kill a monster and you will get one.
you kill monster that are high lvl and buy lvlup cards in the cash shop
u cant buy or sell or u kill any monster than some time it drop out meos
the mushmom
u have to be lvl 30 to do monster carnival party quest.
as far as I know, every monster in the monster book.
get off of maple
monster drops in spiegelmann monster park or buy them from the Free Market
Kill Scarlion.
Evil Cygnus has 4 billlion hp
A level 94 maplestory monster that gives 1.4k exp.
a gun du