Realm First! Obsidian Slayer

'''Realm First! Obsidian Slayer''' is a Feat of Strength for being the first raiders on the realm to defeat in the 25-player version of the Obsidian Sanctum. Like other realm firsts, there will be a server-wide notification when this achievement is completed.

Title
This achievement rewards the title Obsidian Slayer.

The title is formatted like this:
 * Obsidian Slayer