Here is the full list of all 23 The War for the West achievements.
Forged a blade from the fragments of a fallen star.
Killed the huge armored knight on your own.
Slew an Abyssal Spawn.
Killed Lord Noyedas Sielcner after marrying him.
"A man without horns is a defenseless beast."
Awakened the Forgotten One.
Used Wyneva's gift to learn a secret from the past.
Went against your own words.
Ended the war before it started.
Sided with House Sielcner in the War for the West.
Abandoned by your men due to low morale.
Accumulated a hundred thousand aurens.
Created your own religion.
Became known for killing the King of Ludland.
Gave up on your duties and went to live in peace and secrecy with Wyneva.
Joined the Triple Chalice.
Got kicked by a dead man.
Got attacked earlier due to leaving your province unprotected.
Became known as a war fiend, much like your father.
Delivered true justice.
Convinced Lady Sessanah that you didn't betray Lord Lyper.
Became an Oracle for the Triple Chalice.
Refused to accept a destiny foretold.