Merchants for Mortal Shell are non-playable characters where players can purchase and trade items and equipment. Merchants are located in various areas, and each merchant consists of different sets of goods in each of its inventory. This page covers a full list of all the Merchants located in the game, which also includes a list of the merchant's inventory.
Mortal Shell Merchants
Vlas is a Merchant that seems to dislike fanatics and is always accompanied by his Back Cat (which you can Pet).
A corrupted Sester that provides forbidden Merchant wares.
Sester Genessa allows you to use your Tar and Glimpses to discover Shell names and unlock their Abilities. She will also provide you with Merchant Services later in the game.