Implement Expertise

Heroic Tier
Benefit: Choose a type of implement. You gain a +1 feat bonus to attack rolls with any implement power you use through that type of implement. The bonus increases to +2 at 11th level and +3 at 21st level.
Special: You can take this feat more than once. Each time you take this feat, choose a different type of implement.

Update (2/15/2012)
Changed in December 2011 updates.

Published in Player's Handbook 2, page(s) 185.