|Earn 'the Annihilator' title by fighting all four nihil at once.|
|Release date||18 April 2017 (Update)|
|Required for||Master quest cape|
|Required for||Completionist cape|
|Infobox • Infobox talk page|
Annihilator is an achievement that requires the player to obtain The Annihilator title by defeating all four nihil at once in Freneskae's pit as a boss fight during or after Fate of the Gods. If engaged after the quest you must engage them by selecting "Yes - replay the boss fight!". Players must be engaged in combat with all four before defeating any of the nihil or the achievement will not be completed.