Sinister, Sinister Rewards
I guess they thought the Vine/Mawdrey thing had backpieces covered…though, Sinister stats weren’t around at the time that came out, so I’m uncertain if making another one would allow you to choose those now. Hmm…
Back items rarely get the new stat combinations. They don’t really need to add a specific back item that has it, they just need to add Sinister stat choices to the existing back items that let you choose a combination like the Spinal Blades and crafted back items.
I’m more annoyed that they didn’t release an ascended amulet with a utility infusion slot, personally. I couldn’t care less about a +4 stat boost, I need my 20% magic find!