IAS

IAS is an acronym for "increase(d) attack speed." This term generally refers to one of the many skills that increase attack speed.

A 33% reduction in swing time results in 50% more swings in the same time frame, yielding:
 * A 12.5% net increase in base damage.
 * A 50% increase in adrenaline gain.
 * A 50% increase in life stealing from vampiric weapons.
 * A 50% increase in energy from zealous weapons or skills that increase Energy on hit, such as Zealous Vow.

Related articles

 * Increased Attack Speed and Decreased Attack Speed
 * For a list of all skills that increase attack speed see attack speed skills quick reference.