Siderius left Caterina at her house and went away. She was unstable and leading her out to the world would pose threats to everyone else and herself.
The hunter truly wondered how the Black Witch was able to survive on herself for all those years. According to what Joyce had informed him, the Black Witch must have separated from Jude for quite awhile.
On his way out, Siderius stopped at the two cairns standing on either side of the doorway. He squatted down to examine them more carefully. For some reason, he got the utmost wary feeling that something was going to happen to Caterina.
This was superstitious, but coming from something more primal. Sideriusk knew better than letting your hunch go and not listening to it. Most often than not, it was fate playing with you and warning you of what was about to happen.
Siderius was favored by Fate. It was helping him.