Here is the full list of all 22 Ladra achievements.
Complete all chapters undetected
Get all treasure in all chapters
Find all books hidden throughout the game
Quick like lightning. Finish the game in under 1 hour.
Steal from seven chief guards
Find all the peculiar guards
Have all the available conversations with one character in the Valoruke
Steal from three chief guards
Have one converstation in the Valoruke
Complete one chapter undetected
Find one book hidden throughout the game
Get all treasure in one chapter
Unlock your first chest
Unlock all chests in the game
Have all the available conversations with all characters in the Valoruke