Images:

gw2-claymore-of-the-sunless-greatswordgw2-claymore-of-the-sunless-greatsword-2gw2-claymore-of-the-sunless-greatsword-3

Set:

Slot Item Name Trading Post Preview Code
Greatsword http://db.dulfy.net/item/47854 [&AgHuugAA]

Where to Obtain:

Rare drop from Tequatl

Particle Effects

Black fumes around sword