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