Insightful Deception +5: +5 Insight bonus to hit and +8 to damage for any hit that would qualify as a sneak attack.
Quality Seeker +3: +3 Quality bonus to confirm critical hits, and damage (before multiplier) on critical hits.
Insightful Assassinate +6: This item is used by masterful assassins to execute their targets, and grants you a +6 Insight bonus to the DC of your Assassinate attempts.
Use Magic Device +5: +5 Competence bonus to Use Magic Device.
Augments:
Green Augment Slot: Empty
This whistle can distract one's enemies with a soft tune, at least long enough to land the killing blow...