Here is the full list of all 16 Goetia achievements.
Finish the game without fixing Annie's sons objects.
Solves every puzzle in the game.
Explore every place in the game.
Finish the game after fixing Annie's sons objects.
Clear Blackwood from its demons.
Find Paimon's opposite sigil in Oakmarsh.
Gather Annie's sons four objects.
Read the entirety of the books, journals and notes in the game.
Discover the power of the Ferryman.
Find Foras' opposite sigil in Eldwitch Forest.
Discover the power of Strength.
Find Bune's opposite sigil in the Fields of Stone.
Find Naberius' opposite sigil in the Silver Labyrinth.
First attempt at banishing a demon.
Discover the power of Vision.
Make contact with a demon.