Elysia's Bindings

Source
Elysia's Bindings can be picked up during Stage 7 of the Pursuing the Black Harvest scenario. It turns into a sellable version upon completion of Plunder the Black Temple.

Trivia

 * This item could be a reference to Interrogator Elysia which would explain the talk of ropes.
 * Alternatively they may be a tribute to Elysia, an avid warlock player, global moderator on MMO-Champion, and friend of Alexander Brazie, the former lead developer of the warlock class. Brazie was responsible for writing and creating the green fire questline, shortly before his departure from the company.