The shadow priest legs play the role of the filler here. Why is that? Sure, they’ve got a useless stat like hit but they also have a batch of crit. Also, the build I’m running.
This is how the distribution of stats looks like in this set.
The legendary San’lyan gloves switched with the T10 ones.
Over here, the leg slot has been filled with the Festergut 10hc cloth legs.
These charts give you a broader insight on how the particular sets are constructed and what they actually provide you with.
Below, you can see a summary of those.
Hope this helps in broadening your perspectives :)
All the summaries have been made without trinkets as Abacus and GTS are considered BiS and provide the same amount of stats thus change nothing in an overall comparison.
I have put aside filling up gem slots as well, just compared raw stats.