After arranging a series of governmental affairs, Rocky could relax for a while, and then he just needed to wait, becoming busy again only after arriving at Eternal City.
But his leisure time was not spent idly; he took this opportunity to read several books thoroughly.
Last time he visited Eternal City, he had brought back a large collection of books about mana, and Rocky's purpose in purchasing these books was naturally to better utilize Mana Runes. After all, though both runes and magic stones could provide mana, they differed significantly in their usage.
Replacing the magic stones in equipment with runes was relatively simple, partly because Wensel's research notes contained relevant records, and partly because the technology involved in Mana Weapons was not very advanced, thus Rocky could manage it.
However, increasing the scope of rune application proved more challenging for him.