|Defeat Helwyr whilst wearing the full Prifddinian worker's outfit.|
|Release date||18 April 2017 (Update)|
Unionised is an achievement that requires the player to defeat Helwyr whilst wearing a full set of Prifddinian worker's outfit which can be obtained by completing laps of the Hefin Agility Course. Any other items can be worn in the other slots.
The full set consists of:
- Prifddinian worker's robes
- Prifddinian worker's trousers
- Prifddinian worker's gloves
- Prifddinian worker's boots
- The achievement name is a reference to trade unions, organisations comprising of workers who act to improve the conditions of their employment.