Since he was unsure how long he would be in closed-door cultivation, Li Zhirui had prepared an abundance of resources for Jiang Fengwu and her son, including those for their Spirit Beast, enough to last them several years.
If by that time Li Zhirui had not emerged, then they could also exchange for resources from the family, though the quality would not be as good as what he had prepared.
"Okay!" Jiang Fengwu was silent for a moment but eventually took the storage bag and said, "I have been researching a Formation these years, one that gathers the nearby Spiritual Energy and can, according to our needs, retain only certain types of Spiritual Energy."
"Really? Have you managed to develop it?" Upon hearing this, Li Zhirui's eyes lit up as he asked eagerly.