Full list of all 24 Banner of the Maid achievements.
The base game contains 21 achievements, and there is 1 DLC pack containing 3 achievements.
Complete Chapter VII.
Learn an ability in the école Militaire in Paris.
Complete Chapter II.
Perform a Promotion for any character.
Any Character reaches Level 30.
Complete the Salon Achievement "Legion".
Complete the Salon Achievement "Star of Paris".
Complete the Salon Achievement "Les Riches".
Complete the Salon Achievement "Valorous".
Complete the Salon Achievement "Records of the Past".
Complete the Salon Achievement "Treasure of the Scholar".
Complete the Salon Achievement "Mirabeau's Story".
Complete the Salon Achievement "Story of the Fool".
Complete the Salon Achievement "Road of Thorns".
Complete Chapter XII.
Complete Chapter XVIII.
Complete Chapter XXIII.
Complete Chapter XXVIII.
Complete the Final Chapter.
Complete the main campaign in Officer or General mode.
Complete the main campaign in General mode.
Complete the challenge in Chapter V, "Heavy Fortification".
Complete the challenge in Chapter XVI, "Knight in the Deep Valley".
Complete the challenge in the side quest "Diary of the Nameless".