How to use: simply hover over the big icons on the map to reveal the striker set items that can be optained.
When there is hard displayed it can drop on hard and challenging. When there is challenging displayed it can only drop on challenging.
Set bonus (2): +30% headshot damage. Set bonus (3): +20% damage to elites. Set bonus (4): Talent: Stalker: Headshots mark the enemy, increasing the damage inflicted on the target by 15% for duration of 10 seconds each. A target can receive up to three marks.