Here is the full list of all 19 Shrouded in Sanity achievements.
Terrible idea!
Bad idea...
Close to the truth.
Congratulations, well done!
Had enough yet?
May your bloodthirst be satiated...
Harbinger of things to come...
Visions from the new world.
Challenge accepted
True conclusion...
Unfit to rule. Doomed to repeat it.
First time for everything...
Nothing is ever free.
Subdued the 3rd Knight.
Subdued the 1st Knight.
Subdued the 2nd Knight.
Subdued the 4th Knight.
Self defence...
Not in the position to negotiate.