First off, you need to have a roll like this:
- STR: 4
- DEX: Anything
- INT: 4
- LUK: Anything
Then, make your stats so they're like this when you become level 10:
- STR: 4
- DEX: 25
- INT: 4
- LUK: 37
Then, you should add 3 stat points to luck, and 2 stat points to dexterity on each level. Then, you do the following with your skill points:
- Level 10 : +1 to Lucky Seven
- Level 11 : +3 to Nimble Body
- Levels 12-13 : +3 Keen Eyes per level
- Level 14 : +2 Keen Eyes (then it is maxed), +1 Lucky Seven
- Levels 15-20 : +3 Lucky Seven per level (maxed at lv. 20)
- Level 21 : +3 Disorder
- Level 22 : +1 Dark Sight, +2 Nimble Body
- Levels 23-27 : +3 Nimble Body per level (maxed at lv. 27)
- Levels 28-30 : +3 Dark Sight per level
Then you'll become a claw thief.
After you become a claw thief, you're free to level up whatever you wish.