Pokémon Yellow Legacy: Beat Erika — Celadon City Gym, badge 4
What opens up at this point in the game, and everything you can catch by now that you couldn't before.
✓ Erika's team here is the one she uses as your 4th badge. Hard Mode cap from here: Lv 43, until you win your 5th badge.
TMs you can now pick up
- TM21 Mega Drain — Celadon City Gym