Images:

gw2-mistforged-hero's-greatswordgw2-mistforged-hero's-greatsword-2gw2-mistforged-hero's-greatsword-3

Set:

Slot Item Name Trading Post Preview Code
Greatsword http://db.dulfy.net/item/64274 [&AgES+wAA]

Where to Obtain:

Purchased from the Battle Historian for 300 WvW Tournament Claim Tickets.

Particle Effects:

White wavy effect