Eren looked down at Card. "My case is different. I was born human. [b]Completely[/b] human. My father, before he left injected me with some strange chemical. I didn't discover that I had the ability until I was swallowed by a Titan. He had chomped off my arm, and tat counted somehow as self-injury. My titan form, well, formed, and due to the strange regenerative processes in my body, I grew my arm back." he said, holding up his right arm.

Levi nodded. "It is quite strange to say the least.

Armin agreed silently.