Images:

gw2-ogre-harbingergw2-ogre-harbinger-2gw2-ogre-harbinger-3

Set:

Slot Item Name Trading Post Preview Code
Warhorn GW2 TP [&AgEClgAAAA==]

Where to Obtain:

Huntsman (275): 1 Darksteel Horn + 1 Darksteel Warhorn Mouthpiece + 1 Darksteel Imbued Inscription