"I understand your reaction. My creation itself was made secret to even the Emperor. I was developed as a failsafe against the Primarch project. I was given incredible animal genes alongside the genes of my father. But... an error had happened. I mutated... no, I became like this. When I was a teenager, I had gone through my complete changes. Although I had superior abilities, the lords considered me a failure. They locked me up, robbed me of my future. I was reduced to nonexistence. I show up on no record whatsoever. I did not exist. Until... until Malcador rescued me. He took me away from their prison, and hid me on a jungle world, where I could prosper. He left me with means of reconnecting with the Imperium. After the Horus heresy was committed, and the emperor sealed to the throne, I returned during the second founding, masking my identity."