Here is the full list of all 12 Mission 1545 achievements.
Inform the Provincial of Josephs arrest and your plan.
Hide from the Jailer on your way to the sky.
Send the Sleepwalker home to bed.
Listen to them laugh and cry.
Put a patient out of his misery.
Fires out, lock up it is closing time.
Don't let the Keepers catch you.
Do not disturb the lusty Brewers at their work.
Find someone who did not keep theirs.
Flee this chamber of gold and Lost Souls.
Put the Crown Jewels in order.
Rescue Joseph!