In fact, ever since Qi Tongwei learned that the Transcendental Tier corresponded to the Arhats and Xuan-tier in A Chinese Ghost Story World, he had already sensed that a single Plague-rank essence core would most likely be insufficient to elevate a Transcendental Tier skill.
Although he felt a twinge of disappointment, it did not exceed Qi Tongwei's expectations. Therefore, he quickly stopped dwelling on it and turned his attention to his other skills.
"System, upgrade the Ancient Medical Regulation Technique, the Ancestral Wu Heavenly Script, and the Qiankun Wuji Technique by one level each!"
Chapter 257