Ruin Valley is home to 'Dotted Hole', a mysterious building built into a cave that leads underground. Ancient languages and runes have been carved both inside and outside of the Hole in a strange dotted alphabet, giving the place its name.
Located on Outcase Island, the most northern of the Fortune Island collection. Altering Cave appears to be empty, however some rare Pokémon can be found here, and their are rumours about a legendary Pokémon that can on very rare occasion be seen here.