Weapon Master (Legendary Fighter Archetype)

Chosen Weapon (Ex)
The weapon master selects a single type of weapon (such as longsword or shortbow). He gains the Weapon Focus feat with this chosen weapon and deals +1 damage with it.

This ability replaces the fighter’s 1st-level bonus feat and sharp reflexes +1.

Weapon Group (Ex)
At 3rd level, a weapon master gains the weapon group advanced weapon training class feature with a weapon group that contains his chosen weapon.

This ability replaces weapon training 1.

Weapon Training (Ex)
At 5th level, a weapon master gains weapon training 1.

This ability replaces the advanced weapon training option gained at 5th level.

Weapon Specialist Training
At 5th level, a weapon master gains access to the following advanced weapon training options.

Reliable Strike (Ex)
When attacking with his chosen weapon, a weapon master may reroll an attack roll, critical hit confirmation roll, miss chance check, or damage roll as an immediate action after the roll is made but before the result is determined. He must accept the second roll even if it is worse. He can use this ability a number of times per day equal to his weapon training bonus.

Mirror Mastery (Ex)
A weapon master gains his weapon training bonus as an insight bonus to AC when attacked by any weapon in a weapon group he possesses, as long as that weapon group contains his chosen weapon. The weapon master must be 9th level to select this option.

Unstoppable Strike (Ex)
A weapon master can take a standard action to make one attack with his chosen weapon as a touch attack that ignores damage reduction (or hardness, if attacking an object). The weapon master must be 11th level to select this option.

Deadly Critical (Ex)
When a weapon master confirms a critical hit with his chosen weapon, he can increase the weapon’s damage multiplier by +1 as an immediate action. He can use this ability a number of times per day equal to half his weapon training bonus. The weapon master must be 13th level to select this option.