Part 12: Cerulean Cave — Mewtwo

Cerulean Cave opens for the Mewtwo mission.

Cerulean Cave — Mewtwo opens 5 areas.

Where to go

1. Cerulean Cave (1F)

   Wild: Magikarp 100% · Lv 5, Geodude 65% · Lv 30-50, Psyduck 65% · Lv 20, Poliwag 60% · Lv 5-15 +13 more

2. Cerulean Cave (2F)

   Wild: Geodude 65% · Lv 35-55, Graveler 35% · Lv 45-60, Golbat 25% · Lv 30-37, Machoke 20% · Lv 30-37 +6 more

3. Cerulean Cave (B1F)

   Wild: Magikarp 100% · Lv 5, Geodude 65% · Lv 40-60, Psyduck 65% · Lv 20, Poliwag 60% · Lv 5-15 +13 more

4. Cerulean Cave (area 1)

   Wild: Magikarp 100% · Lv 5, Psyduck 65% · Lv 20, Poliwag 60% · Lv 5-15, Poliwhirl 40% · Lv 20-30 +11 more

5. Cerulean Cave (area 2)

   Wild: Magikarp 100% · Lv 5, Wooper 70% · Lv 5-25, Poliwag 60% · Lv 5-15, Poliwhirl 40% · Lv 20-30 +3 more

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

This game's documentation doesn't say where 4 of its 339 fights happen, so those trainers are on no part of this walkthrough; they are all on the Trainers page.