C147 Su Wan'er's Thoughts

"How did you figure it out?"

Lin Bo was utterly astonished as he regained his composure.

The genuine Night-Luminescent Pearl was exceedingly rare in this world. How could Yu Haoran discern its authenticity at a glance?

"It's quite simple. This imitation Night-Luminescent Pearl does emit a light that's quite convincing, but upon closer inspection