he's giving star a challenge.
some queens needed a war to challenge them
some needed to break the rules and forge a new path
some needed to learn the art of subtly
but star has had no real challenge so far. ludo was a joke, she nuked toffee.
glossaryck is going to help ludo learn magic so he can pose a threat to star and instill a real respect for magic in her, so she won't mistreat it.