Assassins and Luk Bandits

First, get Str and Int to 4/4. Everything not in Dex, goes in Luk.

* Level 10: Dex 25
* Level 15: Dex 30
* Level 20: Dex 40
* Level 25: Dex 50
* Level 30: Dex 60
* Level 35: Dex 70
* Level 40: Dex 80
* Level 50: Dex 90
* Level 60: Dex 100
* Level 70: Dex 110
* Level 80: Dex 120
* Level 90: Dex 130

The basic stat build for Assassins and LUK bandits goes like this:
Level STR DEX INT LUK
1 4/5 X 4/5 X
10 4/5 25 4/5 37
15 4/5 30 4/5 57
20 4/5 40 4/5 72
25 4/5 50 4/5 87
30 4/5 60 4/5 102
35 4/5 70 4/5 117
40 4/5 80 4/5 132
50 4/5 90 4/5 172
60 4/5 100 4/5 212
70 4/5 110 4/5 252

LUK values are an estimate, according to a 4 STR & 4 INT starting rollhttp://strategywiki.org/wiki/MapleStory/Thief_Guide/Builds