If you don't travel, then don't fret. Gen 3 has shown these creatures can swap round occasionally (such as Zangoose and Seviper) or drop regional exclusivity altogether (Plusle and Minun ...

Most of those don’t stand out as odd, but seeing Zangoose without Seviper and Tyrantrum without Aurorus is a red flag. Beyond that, Zygarde is mentioned but Zeraora isn’t, which conflicts with ...