Exposure

Exposure is a Rogue passive skill from the Key Passives skill tree.

Lucky Hit: Dealing direct damage to an enemy affected by a Trap skill has up to a 25% chance to:

Reduce the active Cooldowns of your Trap skills by 20%
Drop a cluster of Stun Grenades that deal 40% total Physical damage and Stun (CC) enemies for 0.50 seconds.