Red button under the strip.

“Premium”, possibly…?

He only wanted to create languages, for fun… but he wanted to do it properly, so he needed full cultural backgrounds for his languages, including epic poetic sagas written in said languages… and to do that properly he needed a whole history of the world said languages and cultures had developed in… so the maniac built that. And then he wrote a children’s book set in that world, for his kids, as one does.