I personally play with soul collector when using this build, first. someone needs to take a bit till you have 15 stacks of your souls, then you have enough hp to go take the fight to them, Use Q when you are low hp and have enough stacks
Increase your maximum Ammo by 8.
Reduce the Cooldown of Rend Soul by 2s.
Increase your Ultimate charge rate by 15%.
Reduce the cast time of Shadow Travel by 10%.
Increase your maximum Health by 150.
Your weapon shots gain +30% Lifesteal.
Increase your Ultimate charge rate by 30%.
Reduce the Cooldown of all your abilities by 30%.