Images:

gw2-naga-fang-greatswordgw2-naga-fang-greatsword-2gw2-naga-fang-greatsword-3

Set:

Slot Item Name Trading Post Preview Code
Greatsword GW2 TP [&AgGcuQAAAA==]

Where to Obtain:

Obtained randomly via the Mystic Forge by combining 4 L75+ rares/exotics or from mobs.