"Where is that Merfolk Village located? Tell me about it. Also, did any of you get scratched or bitten? Come here and let me have a look."
It must be these mutated merfolk that were the fortuitous opportunity Si Nan referred to, seeing how they were ferociously evil and oblivious to pain, it made Li Fan subconsciously think of zombies. Of course, in this world, they're known as 'sha zombies', and although there was no presence of malign energy detected from corpses, the mutation still led him to think in the direction of Taishu, the Daoist Ancestor.
