"Hidden Perfect Dex: Pokemon Go Players Uncover Lost Hundos"
TL;DR
Pokemon Go players are devastated after discovering lost "hundos" (perfect IV Pokemon) in the hidden perfect Pokedex. The perfect dex feature reveals all the hundos that were unknowingly transferred before players knew about IVs. Many players expressed regret for letting powerful Pokemon go, emphasizing the importance of not checking the perfect dex to avoid disappointment.
Want the full story? Read the original reporting
Read on Dexerto