Attack on Titan: humanity's trump card

Attack on Titan(fanmade)

The Titans have reined siege for hundreds of years bringing humanity to their knees on the verge of extinction... However... Then came the walls... The walls are large structures that surround the territory where the remnants of humanity live. These walls protect humanity from the Titans that rule the world outside. These walls reach 50 meters in height and are said to be as strong as bedrock. There are 3 walls In total, wall Maria the outermost wall of the human kingdom. Wall Rose the second outermost wall of the human kingdom following wall Maria. And then wall Sina the innermost wall and the safest which is protecting the king himself. But further more on the Titans there's not much to be known about these creatures rather than they resemble humans and don't need food to survive. These creatures eat humans for sport and seem not to be meaning to kill them as they do so but it's what it results in end of story. Some Titans have erratic behavior they are listed as abnormals. Now here we are... You know all you need to know about the Titans now to tell you the story of Cody, Ace, Mike and Jay.