Hill frowned as he tried hard to recall... Damn it! Although he had a good memory and never forgot, occasionally such situations would occur.
When the matter wasn't very important and the time was too early, it required a bit of searching in the mind.
Finally, as Fran's Central City flew through his mental sea, Hill suddenly remembered.
Fran showed him those notes from the President of the Mage Association, Draculus.
Part of it was about how the president and his students could communicate certain information they didn't want the God of Nobility to know under his nose.
But, that was long ago, before mages had half-planes or the most defensive Legendary Magic Towers, it was a temporary method... The words they wished to convey were woven into metal book pages using various metal wires, and different weaving methods, even the different proportions of silver and iron on a single wire, represented different words... This was a method learned from the elves.
