Wall Rose
The middle wall.
The middle wall
After Wall Maria fell it became humanity's new frontier. Its fortified districts, such as Trost or Karanes, jut out from the wall to lure Titans and concentrate the defences.
⚠ Spoiler · Season 3 · click to reveal
Titans inside Wall Rose
In 850 Titans appeared inside Wall Rose although no breach could be found. It was later learned they came from the people of Ragako and other villages, transformed by the Beast Titan's gas.
⚠ Spoiler · Season 2 · click to reveal
The secret of the walls
Around this time it was discovered that the walls are made of huge hardened Titans. The Church of the Walls knew the secret and hid it on the royal family's orders.