How do you get into mew twos cave

First you must have beaten the elite four, and done the sevii islands quests...

Pre-Resquisites: PKMN with Surf, PKMN with Fly, PKMN with rock smash.


Fly to Cerulean City. Go across the nugget bridge. There should be a body of water to the left of the bridge. Surf on it down to the place that previously was blocked off. there should now be no-one there.. Enter the cave... This is mewtwos cave.
Wild PKMN- Ditto, Slowbro, Kadabra, Golbat, Machoke, Magneton, Parasect.
Mainly found in the high 40s to mid 50s... One time i got lucky and caught a lvl 68 parasect.
POkemon above level 65 are extremely rare. They ar.e mainly Ditto, Kadabra, and Parasect. BTW. Never expect to see Magneton above level 53. I never did and i spent 3 days in there training. Now onto Mewtwo.






MEWTWO -LEVEL 70


_____________
|Moves Psychic |
| Safeguard|
| Swift |
| Recover |
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Recover is so annoying........ Lol


You know what to do from here....