It's a cave that appears to the left of the Trick Master's house. I'm pretty sure that you need a special Gameboy Advance expansion for it to take effect (which would be hard to find nowadays) in which it replaces Zubat with some different Pokemon. They aren't REALLY rare and can be found elsewhere, so it's a fairly pointless cave.
It is a Pokemon place where you can catch other Pokemon from other games but you can only catch certain Pokemon at certain times of the day none of which are god Pokemon!
Altering CaveIn Emerald, FireRed, and LeafGreen, Altering Cave appear useless for only having Zubat. If you go to a Nintendo Event with a Wireless Adapter attached, you'll get to catch rare Johto Pokemon.
There are no moveable rocks in Altering Cave.
Altering cave does not change into traveler's cave. Altering cave can only offer new Pokemon (since all it offers are zubat) after using Mystery Gift.
It's normally no pokémons in the altering cave i heard that you must do something ;)
Only zubats =)
E-reader.
it's random
nothing cool about it really...
you'll never find any other Pokemon in the altering cave sadly
There is no Entora cave in Pokémon Emerald. There are many caves in Pokémon Emerald such as the Altering Cave.
Basicaly the Pokemon change in there, but I don't know how to change the Pokemon.
It is Altering Cave which you can enter only after you beat the Pokemon league.
Beat the elite four the cave should open.
Zubat is all I know. Go there yourself and find out!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
in Pokemon emerald,ruby,and sapphire is a surf away from where you first battled may
There is no altering cave in pookemon red since the sevii islands don't exist in Pokemon red only in Pokemon firered and leafgreen in six island after going past the forest and the altering cave is also in Pokemon emerald in route 103 a cave appears after beating the elite 4.
After national dex you find it at altering cave its Levels: 20 +