This item is created with Inscription (430); discovered through .
- Patch 5.0.4 (28 August 2012): Changed from Removes the Energy cost of your Tricks of the Trade ability but reduces the recipient's damage bonus by 5%.
- / Patch 4.0.1 (12-Oct-2010): Changed from The bonus damage and threat redirection granted by your Tricks of the Trade ability lasts an additional 4 sec.
- Patch 3.2.0 (04-Aug-2009): Now increases the duration of the damage bonus effect instead of increasing the damage bonus.
- Patch 3.1.0 (14-Apr-2009): Added.