The Armor of the Seducer set is part of the base game. Crafting stations are located in Grahtwood (Temple of the Eight), Stormhaven (Fisherman's Island) and Deshaan (Berezan's Mine). You can craft any armor, weapon or jewelry of this set in any motif style you know, as long as you have 3 traits researched (per item). You can trade crafted pieces to other players. Each set item becomes bound on equip.