| 0 | Strongheart Halfling | — | — | — | — | Weapon Focus (dagger) | Bonus feat |
| 1 | Rogue | 0 | 0 | 2 | 0 | Weapon Finesse | Sneak attack 1d6, trapfinding |
| 2 | Rogue | 1 | 0 | 3 | 0 | — | Evasion |
| 3 | Rogue | 2 | 1 | 3 | 1 | Point Blank Shot | Sneak attack 2d6, trap sense 1 |
| 4 | Rogue | 3 | 1 | 4 | 1 | — | Uncanny dodge |
| 5 | Rogue | 3 | 1 | 4 | 1 | — | Sneak attack 3d6 |
| 6 | Invisible Blade | 4 | 1 | 6 | 1 | Precise Shot | Dagger sneak attack 1d6, unfettered defense |
| 7 | Invisible Blade | 5 | 1 | 7 | 1 | — | Bleeding wound |
| 8 | Master Thrower | 6 | 1 | 9 | 1 | — | Quick Draw, deadeye shot |
| 9 | Master Thrower | 7 | 1 | 10 | 1 | Two-Weapon Fighting | Improved evasion |
| 10 | Whisperknife | 8 | 1 | 12 | 1 | — | Rapid Shot, improved uncanny dodge |
| 11 | Whisperknife | 9 | 1 | 13 | 1 | — | Sneak attack 4d6 |
| 12 | Whisperknife | 10 | 2 | 13 | 2 | Improved Two-Weapon Fighting | Defensive throw, improved catch |
| 13 | | 11 | | | | — | |
| 14 | | 12 | | | | — | |
| 15 | | 13 | | | | Greater Two-Weapon Fighting | |
| 16 | | 14 | | | | — | |
| 17 | | 15 | | | | — | |
| 18 | | 16 | | | | Improved Critical (dagger) | |
| 19 | | 17 | | | | — | |
| 20 | | 18 | | | | — | |
