>>49870668
Digital.

I've been doing so for at least three years. It's a mixture of fandom documentation and canon documentation, sprinkled with a bit of my own interpretations.

The whole thing is still very canon-adherent and not too ridiculous.

I have another lorebook for extended universe elements. The 1885 establishment of the Barrier, the First Maiden, the cuisine and drinks of the land, power/electricity, structure and logistics, the Tengu settlement, etc. I keep asking "what, why, who, and how" to each element and work from there.

I also have another lorebook concerning everything in the Outside World. Since ZUN doesn't talk about it much, most of it is fanfiction that I poured too much time into.