Here is the full list of all 34 In Verbis Virtus achievements.
Defeat the Winged Glory.
Kill a Will-o'-the-wisp.
Kill 25 critters.
Get 10 documents in your journal.
Kill a Saevar.
Find an ancient document.
Kill 100 critters.
Get 20 documents in your journal.
Get 30 documents in your journal.
Get all documents in your journal.
Kill 500 critters.
Solve the chessboard secret puzzle.
Create a healing pool.
Freeze two neighboring fonts.
Kill a Shar-Seth.
Kill a Rak'Emesh.
Save the game 50 times.