Critical Hitter - Dexterity

You have learned how to hit your target in critical areas to increase your chances critical blow.  This gives you the following benefits:

Increase your Dexterity by 1 to maximum of 20.

The critical threat range of your weapon attacks is increased by 1.  This feat stacks with all other critical threat range benefits the champion has.  So a champion with the feat would top out with a critical threat range of 17-20 due to archetype/subclass features.