it's a discussion page for people who read ahead and wants to discuss what is happening.
here are my thought.
- there are two types of titans.
- those who are born with titan abilities - those who are injected with titan abilities, like Allen.
Allen's father is part of the group that created Titans, and he kept the secret for generations.
The King's guard is only the strongest people from the training camp, because they are being injected with titan abilities. And I am sure only the strong can withstand the injection. As you can see all the "failed" titans running around with only the slightest intelligence. As a proof, there are titans that still has memories of their past and can speak very little.
The King is behind the whole evil shit. There is no reason for human/titans, such as Colossus Titan and Armored Titan, to attack the wall otherwise.
The King should be one of the oldest Titans.