Grothmar Valley is a location in Guild Wars 2 in the Homelands of the Blood Legion. After making your way into Recon Cove, you'll be able to start the Eyes for Ears achievement. This achievement will task you with finding and disabling 15 Listening Devices hidden throughout Grothmar Valley.
Related: Guild Wars 2: An Eye For Detail Achievement Guide
The Listening Devices must be found and deactivated using a special device, and some can be tricky to discover. Let's take a look at the location of all 15 Listening Devices found in Grothmar, as well as how to begin this achievement.
You will gain a total of 10 achievement points for completing Eyes for Ears, as well as progress towards the "Bound by Blood" Mastery achievement.
To start the Eyes for Ears achievement, you'll first need to make it into Recon Cove by solving the Ash Legion's puzzle. Once inside, speak with Iovis Nearspecter to start. He will give you the Listening Device Sweeper that grants you the Identify Device special action, allowing you to detect and turn off Listening Devices. Double-click the item in your inventory to be able to detect the Devices.
If you are a Blood Legion Charr, you can alternatively begin this achievement by speaking to Freox Keenaxe in the Lower Blood Keep.
The first Listening Device can be found on the roof of Imperator Ruinbringer's Office. Start at the Blood Keep Waypoint, then head south towards the ramp. Instead of traveling up the ramp, find the pile of rocks next to it and jump onto the room from there with your Springer. Jump a second time to get onto the next level of the roof, and the Listening Device will be straight ahead.
The second Listening Device is found in the Iron Legion Camp. From the Blood Keep Waypoint, make
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