Shogunshen

You're giving up AoE damage and substituting a vastly inferior DPS. Stick with MS/DB.

Aggressive Refrain is good.

Don't use Vow of Strength, it's a terrible elite. To Neon, Vow Strength disables attack skills, which is the reason it's terrible....

Or you could take corrupt+ward.

Sins aren't much harder to play, nor is the learning curve for any campaign a crucial factor. Assuming you will only be purchasing one of the...

If you require more pips of energy regen, due to skill/profession choice or otherwise, you're doing it wrong.

Cracked armor is hardly a drag. Addressing the bar posted, Adrenaline gain is capped at 100 percent, I've no idea what FGJ! is doing there.

You seem to be missing GfTE.

Rotting Flesh is good. Go /E for GoLE.

Or you could learn to TA.