If Su Yunjin was nowhere to be seen, one could surely find her at the library.
Lin Ning was another story. Yan Yu had to send a message to inquire and only then did he learn that she was practicing spellcasting at the Five Spells training ground.
The Five Spells training ground was located inside a mountain because the Impact Curse, Flame Curse, and Curved Curse were all hazardous, so they had to be practiced in a training ground under 24-hour surveillance.
In the Curved Curse practice area, Yan Yu saw an exhausted Lin Ning who seemed to have been practicing her punches and kicks at a target just moments before, and now she was bent over, hands on her thighs catching her breath in big gulps.
