Especially in solo shuffle. It’s not that its weak (though there are much stronger specs), but the design is just trash. You can only kill people in pillar burst windows and the odds that the dps you’re with is going to play with your setups is very low. The spec is literally designed for failure. Ive had people rage at me for doing low damage when they just arent aware FDKs do some of the lowest dps in the game outside of burst.
The fact unholy can hold W on one target and perform better with less effort really tells it all here