Reply To: Most Powerful Pokemon in Pokemon Go Posted on by ScoobNZ Site-Wide Activity › Forums › Collecting Pokemon › Most Powerful Pokemon in Pokemon Go › Reply To: Most Powerful Pokemon in Pokemon Go July 17, 2016 at 10:15 pm #241 ScoobNZParticipant I’m thinking the CP level increases when your trainer level increases. I’m going to test this theory iby upgrading a Pidgeotto to the max, and then seeing if it can go any further on my next trainer level increase.