Here is the full list of all 40 Running Shadow achievements.
Complete 500 missions
Complete a heroic mission in the Temple of the Azures.
Rid the Upper City of zombies.
Kill Arresh Naggar.
Kill Kurush, son of the Old Ones.
Complete a heroic mission in the Magic Library.
Complete a heroic mission in the Prison of Despair.
Catch the traitor in the Fraternity of Shadows.
Kill Ecrin the Bonecrusher.
Kill Commander Gremar.
Complete a heroic mission in the Lower City.
Complete a heroic mission in the Sewers.
Kill 500 Nephilims
Complete a heroic mission in the Upper City.
Complete a heroic mission in Claehra Maertock.
Clear the Sewers of Hadrion.
Destroy Kievran the Killer.
Kill 1000 enemies
Kill 200 Nephilims
Complete 100 missions
Complete a heroic mission in the Fraternity's Lair.
Run 50000 meters
Kill 500 enemies
Complete a heroic mission in Ursa's Castle.
Collect 10000 coins
Complete a heroic mission in the Bandit Lair.
Complete 50 missions
Kill 30 Nephilims
Kill Char the Drifter Prince.
Complete your Fraternity of Shadows training.
Kill 3 Nephilims
Kill 100 enemies
Run 10000 meters
Complete 10 missions
Collect 1000 coins
Kill 10 enemies
Run 1000 meters
Run 1000000 meters
Collect 250000 coins
Collect 500000 coins