The shop was owned and managed by Piri Reis, an Ottoman admiral, geographer, cartographer, and covert member of the Turkish Assassins. Piri's experience provided his Brothers with vast knowledge of bomb-crafting, as well as ingredients required for the bombs. When Ezio Auditore arrived in Constantinople during his search for the Masyaf Keys during the early 16th century, he visited Piri's shop on the advice of the local Assassin leader, Yusuf Tazim. Ezio asked for information about Piri's special bombs, which Piri readily agreed to give.