Dwarven Fury (Combat)Source Weapon Master's Handbook pg. 12
You can channel your hatred against many opponents.
Prerequisites: Dwarven Hatred Style, Dwarven Seething, base attack bonus +7, defensive training and hatred racial traits, Medium size.
Benefit: When using Dwarven Seething, you can maintain bonuses from both your defensive training racial trait and hatred racial trait’s against any number of opponents.