History of Untethered Edge Boots

Overview

Untethered Edge Boots is the leg piece of the Legendary Untethered Edge armor set for Warlocks, from Episode: Echoes. The set spans all three classes: Warlock (Bond, Boots, Gloves, Hood, Robes), Titan class (Gauntlets, Greaves, Helm, Mark, Plate) and Hunter (Cape, Gauntlets, Grips, Helmet Mask, Leg Armor, Vest), per Destiny Game Wiki. This piece is Leg Armor (flavor: see item data).

Acquisition

Listed with source "Episode: Echoes Activities" in the game data. The sources I opened did not detail the exact activity or drop rates, so it is presumably earned from Echoes activities such as Breach Executable on Nessus. See Armor and Episode: Echoes.