As expected, the more the replica got stronger, the cost of keeping it existing increased, it would take a while, but eventually, it wouldn't be that efficient. The best way Leon could efficiently use that method to get stronger was to by summing his replica that received the knowledge after sleeping for a few hours.
"Things are starting to get even weirder..." Leon frowned. "Now I'm summoning copies of myself as if I'm copying and pasting files of a computer. Although that is an efficient way to get strong, it is really problematic that several individuals have the same power, and they don't have my noisy conscience."
In any case, Leon could keep ten replicas of himself active as long as he doesn't do anything but keep using Mana Magnetism, he could create a lot more if he uses his Soul Eaters, but he decided to let them continue to absorb the monsters mana. Instead of worrying about increasing his mana and intelligence passively like that, Leon resumed his training.
