"At that moment, the Painting Immortal's exclamation rang out in Su Lin's mind."
Clearly, the Painting Immortal recognized the origins of this spirit beast, but Su Lin was completely clueless.
His Fourth Master had once given him an illustrated manual of spirit beasts, a book Su Lin had memorized inside and out since childhood. This was why he was already familiar with various spirit beasts back in the mortal realm.
Chapter 628