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