| Class Level | BAB | Fort | Ref | Will | Special |
|---|---|---|---|---|---|
| 1st | +1 | +2 | +2 | +0 | Deeper Darkness 1/day |
| 2nd | +2 | +3 | +3 | +0 | Shadow Blade +1 |
| 3rd | +3 | +3 | +3 | +1 | Deeper Darkness 2/day, Safe Poison Use |
| 4th | +4 | +4 | +4 | +1 | Shadow Blade +2 |
| 5th | +5 | +4 | +4 | +1 | Bonus Feat |
| 6th | +6 | +5 | +5 | +2 | Deeper Darkness 3/Day, Basic Fear, Shadow Blade +3 |
| 7th | +7 | +5 | +5 | +2 | Bonus Feat |
| 8th | +8 | +6 | +6 | +2 | Shadow Blade +4 |
| 9th | +9 | +6 | +6 | +3 | Deeper Darkness 4/Day |
| 10th | +10 | +7 | +7 | +3 | Shadow Blade +5 & Vaporal |