Full list of all 34 Ashen achievements worth 1,137 gamerscore. It takes around 50-60 hours to unlock all of the achievements in the base game on Xbox One.
The base game contains 31 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 3 achievements worth 137 Gamerscore.
Defeat the Elder Dark Sissna.
Discover the secret of Contemplation.
Complete Flokir's journey.
Reunite the Listener and Human hearts.
Hunt a squork.
Wear each relic once.
Wear the Umbral Veil.
Leap into the dark portal.
Unlock all townsfolk outfits.
Defeat the Shadow of the Ashen.
Acquire all lanterns.
Complete Jokell's journey.
Untangle Sissna's weave at the Palace of Lathyrus.
Complete Eila's journey.
Complete Vorsa's journey.
Construct all houses in Vagrant's Rest.
Hunt a Roamar.
Unlock all crafting specialities.
Travel the shadow pathways.
Meet Kol the wildman.
Defeat Touma and Souma.
Defeat the Listener Matriarch.
Take a ride in Eila's barrel.
Hunt the corb near Vagrant's Rest.
Free the Diasora pup.
Hunt a deer.
Defeat the Elder Dark Ukkoto.
Defeat the brute near Vagrant's Rest.
Claim Vagrant's Rest.
Hunt a rafet.
Defeat Sissna in the Children of Sissna mode.
Defeat the Elder Dark Riak.
Defeat Riak in the Children of Sissna mode.
Acquire all Kol's armors.