Here is the full list of all 34 9 Years of Shadows achievements.
Break the curse.
Upgrade your Light Bar to the maximum.
Find all eight cartographer's journals.
Allow Hibino to complete his mission.
Defeated the Logon Duck in the Upper Quarters.
Upgrade your Vitality to the maximum.
Rescue all of the musicians.
Acquire all of the progression abilities.
Defeat Draythus in The Orphanage.
Complete the bestiary.
Defeat Miria.
Defeat Limo and Nissi.
Defeat Link.
Defeat Maelzel.
Save Talos' Heart in Talos Core.
Defeat the Horned God.
Defeat Locrian Sentinel in Talos Core.
Find ten secret rooms.
Defeat the Reaper.
Successfully perform four quick heals with Radical Acceptance in a row.
Defeat the Gear of Erebus.
Defeat Frinise.
Defeat the Shadow of Demise.
Defeat Hekate's Illusion in the Capra Cauldrons.
Defeat Issa Kabeer.
Defeat the Shadow of Despair.
Kill the same common enemy ten times.
Defeat Leno.
Defeat the Mask of Andros in the Eucalyptus Garden.
Defeat Ulf.
Defeat the Shadow of Hope.
Defeat the Tantalus Roach in the Forgotten Pond.
Defeat the Dwarven Guard.
Perform a Lullaby for the first time.