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