Everything suddenly started to make more sense to Northern. He now understood how exactly Rughsbourgh had expected his plan for strength to work.
If there was a dungeon beneath the academy, then that meant there were stronger and more dangerous rifts below, at lower levels.
And those were what Rughsbourgh was probably fighting right now to get strong and become a Luminary. In essence, that was his closed solitary training.
The populace probably thought the old man was locked up somewhere absorbing an endless amount of cores.
But no—Rughsbourgh right now was vehemently fighting for his life. Every second, perhaps on the brink of losing it, but at the end of each second that he survived, he was getting stronger than a moment ago.
It was insane, and it took a mentally deranged person to develop and commit themselves to a plan like that.