He indeed saw this when he was abroad; the butterfly eggs were produced at YN's place but were very rare. While on a mission in Thailand, he had personally witnessed a Cursing Master injecting a young man's head with butterfly eggs, a sight so gruesome it was unbearable.
Hearing this, cold sweat streamed down Wang Hu's forehead. He didn't know what to say, worried that saying the wrong thing at the wrong time might make Song Yun inject his head with those things. The mere thought of having insects crawling inside his skull sent shivers down his spine.
Forget it, it's not worth risking life and limb for a ghost.
Wang Hu sighed and said slowly, "This time, the incident was orchestrated by a Japanese man named Sanben Tai Lang."
"Hmm, now that I know the person, things will be much easier," Song Yun asked in a deep voice, "How do you contact this Sanben Tai Lang?"