My Mysterious Den

I had gone to my den to fix up some stuff, and I was moving some plushies around, and all of a sudden, I saw something giant and white in the air with a white background and black lines around it! It looked like this:

Wait, but then I saw something appear inside the spark! Like this:

I was so freaked out! But this is good, because I'm making a new page called "Things Not Seen"or either "Jamaa Discoveries".