Just good build. Also u can buy items just for dmg power
Item purchase order
Round 1
For each Ammo available, [Peacekeeper]'s primary fire gains 1% increased damage, up to 25%.
10% Weapon Lifesteal
1,000 
5% Weapon Power
1,000 
20% Max Ammo
1,500 Round 2
10% Weapon Lifesteal
1,000 
15% Weapon Power
6,000 
5% Attack Speed
25% Max Ammo
4,000 Round 3
[Combat Roll] gains additional 25% damage reduction and heals 30% of your Life over 3s.
10% Weapon Power
5% Cooldown Reduction
5,500 Round 4
20% Max Ammo
1,500 
15% Weapon Power
Ignore 50% of Armor's damage reduction.
9,000 Round 5
[Combat Roll] takes you 50% further and deals 65 damage to enemies.
10% Weapon Power
5% Cooldown Reduction
5,500 
25% Weapon Power
Deal 10% increased damage to enemies below 30%% Life.
14,000 Round 6
5% Attack Speed
25% Max Ammo
4,000 5% Weapon Power
1,000 
10% Attack Speed
5% Move Speed
3,750 
10% Attack Speed
40% Max Ammo
When you use an ability, restore 10% of your Max Ammo.
10,000 Round 7
After using [Combat Roll], [Peacekeeper]'s next primary fire can auto-aim within 9m while under cooldown.
20% Weapon Power
10% Critical Damage
Critical Hits reveal the target for 3s.
14,500 
