Stalker

Gains Stalker through movement
Multistrike deals 20% more damage with each strike for every stack of Stalker
Loses Stalker when Multistrike ends

Legendary Gear /1

During Multistrike, +1% chance for this attack to deal damage equal to the Max Multistrike Count for every +(4–5)% Movement Speed you have (Engram 3 Exclusive)
For every (1–2) m of movement, the next non-Sentry Attack Skill used deals +(1–2)% additional damage, up to +(30–50)% additional damage (Engram 3 Exclusive)
Stops Multistrike when the Max Multistrike Count is reached and loses Stalker