Revealing Weaknesses

Revealed Weaknesses are highlighted on enemy Life bars, and occupy a total of 45% of their maximum Life (but in random segments). While the enemy's current Life is within a highlighted segment, they are considered to have an Open Weakness.

Ascendancy passives

In for the Kill (Amazon)
20% increased Movement Speed while an enemy with an Open Weakness is in your Presence40% increased Skill Speed while an enemy with an Open Weakness is in your Presence
Predatory Instinct (Amazon)
Reveal Weaknesses against Rare and Unique enemies50% more damage against enemies with an Open Weakness