The Miner Tattoo is obtained by visiting the Pretentious Artist while wearing the Mining Gear.
Please allow me to paint your portrait...
Ah, the dedication and integrity of the Dwarven Miner. I'll need lots of black paint for this...
- In the message from the artist "I'll need lots of black paint for this..." refers to the fact that coal miners are known for coming home from the mine covered with black coal powder.