Doom Slayer is a Character Build in Outward, created by Evangelion.
Summary
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Doom Slayer Build works well without DLCs too - The build focuses on having both the high defensive and high offensive capabilities. 
Breakthroughs Required Faction 
Equipment Weapon Off-Hand Head Body Boots Backpack 
Any 
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Quickslots 1 2 3 4 5 6 7 8 
Full Build Details
This build mainly revolves around stunlocking everything apart from Unknown Arena bosses.
Perfect Strike is a must have ability that should always be used first due to it inflicting Pain (-25% physical resistance). Counterstrike is good to be used after Perfect Strike because it will knockdown most enemies in the game which also allows for quick Execution.
Due to the fact that damaging abilities aren't very short on cooldown - after the initial damage spike - anything that lives through it will be dealt with special combos (2x special attack rotation) and Execution when they get knocked down.
Example of fighting TTB enemy - Scarlet Emissary: https://imgur.com/a/2g1BS2Q
If you are playing without TTB DLC - backpack of choice should be Zhorn's Backpack.
With Soroboreans DLC - Whiplash enchant on Tsar Greataxe and Aegis enchant on all three armor pieces.
With TTB DLC - Brawns + Elatt's Intervention
Combos
| Pre-buffing (Normal Enemies) | |||||
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 >  >  >  >  >  | |||||
| Pre-buffing (Strong Enemies) | |||||
|---|---|---|---|---|---|
 >  >  >  >  > >  >  >  >  > | |||||
| Starting fights | |||||
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 >  >  >  | |||||