Full list of all 38 DARK SOULS II: Scholar of the First Sin achievements. It takes around 80-100 hours to unlock all of the achievements on Windows.
Defeat Vendrick
Discover the abysmal covenant
Discover the covenant of the bloodthirsty
Discover the covenant of the fittest
Inherit equipment from the head of Vengarl
Learn all gestures
Increase the population of Majula
Inherit Captain Drummond's equipment
Inherit Steady Hand McDuff's equipment
Light all flames on the map in Majula
Discover the covenant of the protectors
See the ending
Acquire Ashen Mist Heart
Acquire the King's Ring
Defeat Looking Glass Knight
Reinforce a weapon to its limit
Light the primal bonfire in the Black Gulch
Discover the covenant of rodents
Light the primal bonfire in Brightstone Cove Tseldora
Light the primal bonfire in the Iron Keep
Discover the clangorous covenant
Inherit Laddersmith Gilligan's equipment
Discover a most brilliant covenant
Give Rosabeth of Melfia something to wear
Light the primal bonfire in Sinner's Rise
Defeat the Last Giant
Discover the covenant of the meek
Die for the first time
Reclaim flesh and set out as an Undead
Earn all achievements
Learn all sorceries
Learn all miracles
Learn all pyromancies
Learn all hexes
Discover an ancient covenant
Max-out devotion to covenant
Inherit Benhart of Jugo's equipment
Inherit equipment from Lucatiel of Mirrah