Obsidian

Overview
The Obsidian is a common Rapier, which is dropped from a wasp on Floor 2. It has a 7% critical chance and does 76 damage.

Trivia

 * The price of Obsidian was originally 700 Vel. However, this turned out to only be a bug.
 * As of an unknown update prior to 10/21/17, the Obsidian has been removed from the Intermediate Shop, along with the Dusty Robe, Both items have been added as drops from the Wasps in Redveil Grove.