Examine scales. Why are they white? Why are you evasive of light?
Then proceed to next open room.
You put down what you're holding to examine yourself, as you've done so many times. You get an odd feeling every time you think about how you came to be, you remember having no parents or siblings. As for your fear of light, you just don't like the glares. You also seem to itch in sunlight.
That's odd, usually your master is busy conducting his experiments here. The supply closet has been left ajar, and there seems to be a note on the table over there. On his work area seems to be a concoction he has yet to perfect. upstairs leads to the foyer.