I am going to show my go to build in ranked and the high potential when using PIP :)
I dont think people realise the dmg poptential pip has when using him, his weapon does 660 direct dmg that is really good + the explosive flask u can do 870 per hit, this means you are able 3-5 hit weaker character.
TOP TIP; focus on backline as these are usually the weaker characters and your goal is to get a quick kill and weightless out of there.
Enemies hit with Explosive Flask take 35% increased damage from your weapon shots for 4s. Surgery (+10% Damage Done)
Reduce your active Cooldowns by 40% after getting an Elimination.
Reduce the Cooldown of Explosive Flask by 3s.
Increase the duration of Weightless by 0.8s.
Increase your jump speed by an additonal 20% while using Weightless.
Generate 1 Ammo for each enemy hit by Explosive Flask.
This loadout is good for reducing cooldowns on explosive flask and doing insane damage to the backline.
Reduce the Cooldown of all your abilities by 30%.
Gain 21% Movement Speed.
Increase your Reload Speed by 60%.
Reduce the Damage you take from Direct and Area of Effect attacks by 18%.
Haven has changed so it reduce direct and AOE damage from enemies.