Stats

Increased the rate at which your weapon attacks.

Does not affect Talents or Abilities.
When stacking multiple attack speed buffs, they are added together before being applied (they do not multiply each other).

Increased the range of your weapon attacks.

Does not affect Talents or Abilities.
When stacking multiple range buffs, they are added together before being applied (they do not multiply each other).

Increases the damage of your weapon attack. The specific buff depends on your class specialization.

Does not affect Talents or Abilities.
The damage increase is equal to 1% of base weapon damage per point of Weapon Mastery.
The damage increase is a flat amount added to both basic and special attacks; it is not multiplied by the increased damage of your special attack.

Increases the chance your weapon will fire its special attack instead of its basic attack. Every class specialization has a unique special attack.

Does not affect Talents or Abilities.
The base Special Attack chance starts at 0%.
Special attacks deal about 400% as much damage as the respective weapon’s basic attack

Increases the damage of your weapon’s special attack.

Does not affect Talents or Abilities.
When stacking multiple damage buffs, they are added together before being applied (they do not multiply each other). This applies to special attack damage buffs as well as weapon damage buffs, like the bard’s.

Increases the damage of your ability (the attack that is fired when you spend your power in a tower).

Does not affect your Weapon or Talent.
When stacking multiple ability damage buffs, they are added together before being applied (they do not multiply each other).

Increases the effectiveness of your talent. The specific effect is based on the talent, but typically it’s an increase in damage.

Does not affect your Weapon.
While talent mastery does not directly buff Ability damage, all talents are empowered by spending ability power, so talent mastery does also increase the effectiveness of your ability by around 0.5% per point
The damage increase is equal to about 1% per point of talent mastery (100 Talent Mastery will make your talent about twice as effective).

Increases the effectiveness of your class’s core utility.

Each point of Class Mastery adds…
Archer: +2.5% Damage to Bosses
Rogue: +1% Armor Reduction; 2% of Armor Reduction dealt as Damage; 1% chance to gain an attack after removing armor.
Firemage: +0.5% Splash Damage; +0.5m Splash Radius
Timemage: +2.5% Crowd Control Strength
Poisoner: +2% Poison Duration
Bard: +1% Support Strength

Affects all attacks (Weapon, Talents, and Abilities)
Any attacks that would not benefit from the specific buff will get a commensurate buff, equating to around a 1% increase in effectiveness per point of class mastery

Increases the amount of experience received per point of power spent in the barracks.

When stacking multiple power train multiplier buffs, they are added together before being applied (they do not multiply each other).