Fragment of a silver cylinder

Fragment of a silver cylinder is a quest item in .
While exploring the sewers during the main quest Count Reuven's Treasure, this is found in the big room with the drowners. It is one part of a bomb that was used to break into Dijkstra's vault, and Geralt notes that runes are etched into it and it once contained wyvern oil and sugar.
== Associated quest ==
* Count Reuven's Treasure
ru:Фрагмент серебряного цилиндра
Category:The Witcher 3 quest items