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