The material below is Open Game Content from a 3PP Source
Dazzling Display (Combat)
Your skill with your favored weapon can frighten enemies.
Prerequisite: Weapon Focus, proficiency with the selected weapon.
Benefit: While wielding the weapon in which you have Weapon Focus, you can perform a bewildering show of prowess as a full-round action. Make an Intimidate check to demoralize all foes within 30 feet who can see your display.