"What kind of medicine is this? Can it really make my little ding-ding grow back?" Zhao Dawei was extremely curious and couldn't help but ask.
"This medicine is more precious than gold and more miraculous than an elixir of life. I only have this tiny amount," Zhang Bin said with a serious expression.
The liquid was, in fact, Bright Eye Liquid, which only he could cultivate. Bright Eye Liquid had the magical ability to restore wounds, reverting them to their state before any injury or disease. Thus, Bright Eye Liquid could regenerate severed limbs. Of course, the effect wasn't instantaneous. It also required Longevity Qi to accelerate the process, prompting rapid cell division to regrow the penis and testicles. Otherwise, even with Zhang Bin's stimulation using Longevity Qi, Zhao Dawei would have only grown a large lump of muscle tissue, not a complete organ. This was entirely different from breast enhancement or from making Ma Rufei's penis grow larger.
