Images:

gw2-dwayna's-greatswordgw2-dwayna's-greatsword-2gw2-dwayna's-greatsword-3

Set:

Slot Item Name Trading Post Preview Code
Greatsword http://db.dulfy.net/item/70197 GW2 TP [&AgE1EgEA]

Where to Obtain:

Black Lion Weapon Specialist for 1 Black Lion Weapon Claim Ticket.