Here is the full list of all 19 GRAVEN The Purple Moon Prophecy achievements.
You found the ring - you shall not leave!
Solve a puzzle in less than 1 minute - it took 1000 times longer to make it!
You never give up, do you?
For helping the fisherman sort his catch - Don't forget to clean your hands!
For unlocking the cell doors. There is no obstacle you can't overcome.
You saved it! Hopefully it won't fly straight into a pipe...
But he just got here...
A remarkable, yet terrifying discovery.
Some experiences harden our will to succeed...
Now open the doors, leave this place and have no remorse!
Nothing can be hidden from you!
I'll have to consider changing my bank account password now...
Because of you his world just fell apart.
...that is remarkable eyesight!
For collecting all of the mistletoe twigs!
The box is half full, not half empty.
You're all mine now!
...or clicky fingers?
Winning 3 HO's in a row without a hint - I bet the police ask you for hints!