For over a century, humanity has been isolated within three massive concentric walls. Their towering structures are the only barrier between survival and complete annihilation. These walls—Wall Maria, Wall Rose, and Wall Sina (Sheena)—have safeguarded what remains of human civilization.
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1. Wall Maria
Height: 50 meters
Status: Breached (Year 845)
Wall Maria is the outermost of the three great walls, designed to protect the largest portion of humanity's territory. As the first line of defense against the Titans, it contained multiple districts and farmlands to sustain the population.
2. Wall Rose – The Middle Stronghold
Height: 50 meters
Status: Intact (until Year 850)
Wall Rose serves as the second line of defense, housing the remaining population after Wall Maria's fall. For five years, it remained intact—until Year 850, when Titans mysteriously appeared within its perimeter, throwing humanity into further crisis.
3. Wall Sheena – The Last Bastion
Height: 50 meters
Status: Intact
Wall Sheena is the innermost and most secure of the three walls, housing the royal capital, Mitras, and the elite class. It serves as the center of political power, where the Reiss family ruled in secret for generations. While the people within Wall Sheena lived in relative luxury, those outside struggled for survival.