Part 8: Beat Drayden — Opelucid City Gym, badge 7

Beat Drayden — Opelucid City Gym, badge 7 opens 1 area.

Where to go

1. Humilau City

   Wild: Frillish 65% · Lv 30-45, Jellicent 60% · Lv 35-45, Luvdisc 60% · Lv 40-70, Shellder 55% · Lv 40-70 +6 more

Everything you can have caught by this checkpoint · Open the interactive guide

It also doesn't say when 5 of its areas open up, so they are listed together in the last part rather than guessed into the story.