Images:

gw2-zenith-avenger-greatswordgw2-zenith-avenger-greatsword-2gw2-zenith-avenger-greatsword-3

Set:

Slot Item Name Trading Post Preview Code
Greatsword http://db.dulfy.net/item/43707   [&AgG5qgAA]

Where to Obtain:

Achievement chests

Particle Effects:

Translucent flowing animation