Ling Xiao Bao had indeed used the First Tear's Tian Zhu!

There was no other explanation.

Su Baiye possessed the entry [I See You], which meant that anyone he had ever seen could not escape his eyes. Even if Passerby A or Passerby B turned into stone statues, Su Baiye would see through them at a glance.

Su Baiye had never seen Tian Zhu in person, but... he had seen Tian Zhu's ashes!