Don’t be sorry to asked…
You need more DA, use ravager’s eye for both weapon augments.
Also, you sure that DEE spam is good? Would you mind taking a screenshot of sheet dps and DEE damage in the second page of stats window?
My main suggestion will be to make it as DEE bomb instead with biting blades spam. It synergize a lot with high CDR sentinel has.
Aside from your low DA, DEE cannot leech effectively because of the low %WD values. Giving up spam DEE will also free up a lot of points to be used on other things like sigil and clarity of purpose.
I play around with your GT for a while, try something like this:
or if with venomspine boots:
Adjust a lot of things including devotion binding. Potentially better than witch hunter. For crafting bonus, craft all for %physique.