Rate my 'beetus build
https://darktide.gameslantern.com/builds/9f3f6a81-7d85-4eaa-84da-b353ab9d586a/arbeetus-3

Also I noticed that if you are playing with the dog enabled. Take the Justified Measures and Hold the Line, because when the dog pounces a target it counts and build stacks for you.
It's 15% more damage and 15% DR for free.