She creates this world via her writing, and as much as she seems mostly to struggle with inhabitants - I think the rabbit is her only stable success that's hers - she's demonstrated the power to "borrow" those from other worlds just by writing them in. Her will manifests through the words, as much as there seems to be certain rules to how this all works within that framework.

...I think she is still meddling, and I suspect I know which direction she's trying to push things - and I still don't know if it's something that's ultimately for the better or for the worse, but it's a touch on the personal side for more than just myself.