It would take a couple more days for Song Junlang to come back from the New World after placing his bets there. During that period, Xiao Lin intended to focus on necromantic meditation first. His original intention of borrowing that book from the library was to break through to Black Iron-rank as soon as possible, but his plans were not affected despite reaching his goal ahead of schedule.
Xiao Lin's interest was particularly high, especially after skimming through the book during the past few days and discovering many novel explanations of meditation which had never been mentioned in class. It was perfect for Xiao Lin because he was still in the inquisitive phase.
