Guinsoo's Rageblade

Increases Attack Speed, Armor Penetration, and Magic Penetration

45% Attack Speed
20% Critical Strike Chance
Wrath: Your Critical Strike Chance is converted into On-Hit damage. Gain 40 On-Hit for each 20% Critical Strike Chance converted.Seething Strike: Every third Attack applies your On-Hit effects twice.

Wrath cannot benefit from more than 100% Critical Strike Chance. Wrath's On-Hit damage conversion is affected by Critical Strike damage modifiers.
Builds From

Rageknife 200 Cloak of Agility Increases critical strike chance 600 Dagger Slightly increases Attack Speed 300