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