In this market, you can buy items with Ekop — the exclusive currency in Tanren Undercity.
Violet the Ariados is one of the shopkeepers in the Dark Market. Violet sells TMs in exchange for Ekop.
Jorris the Raichu is one of the shopkeepers in the Dark Market. Jorris sells various items in exchange for Ekop.
Allotrope the Carbink is one of the shopkeepers in the Dark Market. Allotrope sells Weather Rocks in exchange for Ekop.
Flowa the Sunflora is one of the shopkeepers in the Dark Market. Flowa sells seeds in exchange for Ekop.
- Allotrope is a reference to the Carbink servant of the same name in Diancie — Princess of the Diamond Domain and Diancie and the Cocoon of Destruction.