C590 What a Waste of a Treasure!(2)
This technique demands exceptional hand speed and cultivation from the alchemist. Upon its execution, the alchemist's hands create a barrier around the panacea, effectively preventing the spiritual power within the herbs from escaping, thereby enhancing the quality and potency of the pill.
Zhong Wen's "Spirit Sealing Hand" is an improved version by the Second-in-Command of the Vale of Healing