Hidden Grotto

The Hidden Grotto is a place in pokemon where you can find pokemon and battle pokemon and find pokestuffs. You can obtain Mewtwo, Mew, Ho-oh, Lugia, Moltres, Articuno, Zapdos, the Three Legendary Dogs and Arceus all in ths cave. The resolution of the main room is so big that the Nintendo DS will crash upon entry. This means if entered the current save will be unplayable, permanently. The end.