A little note about Hayate's Canon of Magical Girl Lyrical Nanoha is the nature of the Book of Darkness, soon to be dubbed the Book of Blessed Wind/Azure Sky. As a extremely dangerous Lost Logia, it has several abilities that needs to be known to the community once the true nature of her sickness is released to the public.
The first is of course, the Defense Program. It is a dangerous weapon, which basically makes the book go out of control and kill worlds. This obviously needs to be stopped when it emerges in the finale of A's dependent on canonmates and such who may or may not be apped. It is a highly volatile regenerating program which required a massive energy cannon to destroy in space. Clearly people can come up with their own ideas on how to kill this thing later in DDD.
The second obviously is its function. The Book is able to absorb magic of any kind, and store it away into the pages, materializing as writing. This has the added bonus of granting Reinforce and Hayate the ability to access the spells of anyone's magic that is absorbed into it, and replicate it in battle or everyday use. Canonically Hayate has over a million potential spells from the many times it was filled up, and the potential for adding more is very high. This obviously requires permissions since we don't want Hayate's Wolkenritter attacking and draining someone who doesn't want to be drained. It would be appreciated to note in a reply what spells and abilities Hayate can eventually access through the book. As well as if you want to keep some people safe from a Wolkenritter attack.
The third here is mostly planning and plotting. When A's begins, the Wolkenritter will live in peace with Hayate for about two-three months before the beginning of A's but then begin their hunt for magic. If you want to be attacked, say so here and we can work out a private post dealing with the aftermath since the Wolkenritter are all currently NPCed.
Thank you for all your time, and have fun interacting with Hayate!