The first way for you is to create a maplestory mesos character when you Intellect and Stamina are four or five. You may find that this takes a while to fulfill.
   The second way is to go to Maple Island in Maple Story and try to get as many ability points as you're able. You need to get at least 25. If you get more than 25, you don't have to save them all in DEX, but put them in LUK as well. Killing green snails is a good way to gain experience, as they're easy to kill. You want to make sure that you reach level 10 before attempting to become a master assassin.
   The third way is to travel to Lith Harbor on Victoria Island and use the map provided in Maple Story to walk to a split in the road. Proceed to the top of the hill and go through the portal. You have the maplestory mesos ability to choose either to walk along the path to Kerning City or die. By dying, you automatically transport to the next city, which would be, in this case, Kerning City.
   The fourth way is to visit the Fusion Bar. You'll find it located next to the Internet Caf¨¦ and underneath the Famous Pharmacy. Meet the Dark Lord. He'll be lurking in the bottom of the Fusion Bar. Accept when the Dark Lord invites you to become a Rogue of Kerning City. Notice that you automatically gain a skill point, and your MP and HP goes up a little. You can use the skill point to buy a Nimble Body.
   The fifth way is to buy a Garnier at the weapons shop located on the town's west side. A Garnier will allow you to throw many kinds of throwing stars. You can buy more Subi Throwing Stars from the Pharmacy.
   The sixth way is to make sure that your DEX level is double whatever your level when you're playing Maple Story. If you're at level 10, make sure you have 20 points or more, and so on. When you get maplestory mesos to level 13, start putting two points in DEX and three points in LUK. You should continue doing this for the rest of the game.