Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you may not be able to execute some actions.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Testing marking enemies and it seems like the accuracy bonus works, but the dmg bonus against them doesn't. If you don't use the skill you do more damage. Has anyone else tested this and come up with the same results?