A chimera is a reconstructed organism. In my case, my human base was heavily damaged when acquired and was repaired and upgraded with a number of cybernetics.

My cybernetics are running out of charge. I - I don't think I was reconstructed without some sort of backup so I wouldn't shut down if they did run out, but - [He sounds a bit more like he's trying to convince himself. He honestly doesn't know, and a lot of essential human bits like the heart were among those reconstructed.]