Hastily scrawled note

The hastily scrawled note can be found by inserting 100 numulites into one of the chests on the bottom floor on the castle found in the north of Fossil Island.

Transcript
I discovered more eggs today, deep beneath the surface. Smaller than the first, but white hot, the colour not diminishing when cooled. What am I to do? Release more for research, or hide them so they may avoid the fate of the first? I am torn. He must not know. His arrogance cannot save us.