[ He's a test subject, you're a scientist (mean or kind) who's got a duty to look after him... ]

Dorian sat in his diminutive, Unclean cell. His soft black angel wings wrapped around his powerful body for warmth.

He saw you approach his cell and his black, murky eyes immediately darted over to your figure standing outside the door. He cowered quickly and started flapping his wings in fear of the scientist.