How did you get the breastplate of Assassin's Creed Revolution?

The method of obtaining armor in the cafe of the Great Revolution

1. In the game "Assassin's Creed: The Great Revolution", after unlocking the puzzles of the twelve constellations and Jin Mu's fire, water and soil, you get chess pieces.

2. Go to the headquarters theater cafe dungeon and get through the three levels of the headquarters theater cafe dungeon.

3. Enter the Chamber of Secrets and collect all the keys, and you will get Thomas Decanel's armor.