Going from memory, since I'm at work and don't have access to Mid's, I skipped Shadowy Binds in the primary and Midnight Grasp in the secondary, but there are a lot of different ways to slice it depending on how much you want to live in melee. I view the must haves in the primary as Dark Grasp, Fearsome Stare, Heart of Darkness and Shadow Field. Slot Fearsome Stare for tohit debuff, not fear. Normally I'm not a big fan of the AoE hold, but this one works like Volcanic Gasses and has a longer duration with pulsing holds. In the secondary, I view the must haves as Gather Shadows, Engulfing Darkness and Moon Beam, but everything else is good too.