Here is the full list of all 17 Northern Tales achievements.
"They took everything of value..."
"Temporarily closed due to an alien invasion in the area."
"Not a remarkable achievement, but an achievement nonetheless."
"Remnant of a long gone era."
"Sorry pal, your time is up."
"You found the dragon's nest... And raided it."
"From here, the sunset is to die for."
"The wandering soul of a soldier."
"Our government orders all invaders in the area to cease all mining related activities and go away. Thank you."
"Peekaboo!"
"Brush your teeth before you go!"
"And it holds 49.752 Teras of RAM!"