*update* 
Swapped the slot 2 and 5 Uniques 
The third affix on slot 5 is not in the builder. 50% chance on melee hit to gain +1 strength stacking 3 times.

Swapped Flag for Siege .

Moved a little bit of IP around for more tankiness.

Changed to Shield Agent medallion  

Swapped 2-4 with armor defense enchant
*update*

General lazyman build for CoA based on half cooldowns. NOT MEANT FOR TOP TTK OR DPS, just general easygoing gameplay without the headaches of health, ammo, or thirst management.

Steady Regimen talent works well with half cooldown.
6 second buff of 30% damage and speed on a 6 second cooldown, so theoretical 100% uptime.

The only real rule is don't press your sig when the serums 30% damage buff is not active.

"Rotation": Open with Party crasher + Glaive orbit, then just press your cooldowns as they come. They will expedite your sigs cooldown. Glaive keeps the bleeds rolling for your stake powers.

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On the last row of talents: If you want more AoE use vibranium batteries and UV grenade + unleash glaive instead of the stake powers.

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Insignia use whatever you have with CDR+BDR and synergistic aura. 

Critical damage rating transfers 1:1% to brutal damage rating. 

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Infinity ponts: I always start with temporal loophole because my characters feel sluggish without the bonus movespeed. 

Brutal damage and sig damage nodes will give you the largest bump to your signatures damage.

Pick up the other nodes as you see fit with your current gear and setup. I like the defense node for extra tankiness with the cosmic artifact affix and the bonus defense on my slot 2 amongst other things. 17.6k defense in combat with 30k HP.

Dump the rest of your points in fighting.