Images:

gw2-entropy-hammer-champion-weapon-skins-71gw2-entropy-hammer-champion-weapon-skins-21gw2-entropy-hammer-champion-weapon-skins1

Set:

Slot Item Name Trading Post Preview Code
Hammer http://db.dulfy.net/item/44964 GW2 TP [&AgGkrwAA]

Where to Obtain:

Champion loot bags: Gilded Strongbox, Gilded Coffer

Particle Effects:

Dark purple aura