It's Rhydon.
in the ruins, near the place where the shadow crysatl used to be...
If you are talking about the ruins south of seven island, it is talking about the "unknown" which if your not familiar with them, are Pokemon in the shapes of letters a-z,!, and ?.
if you have them in all alphabet shapes (e.g., a,b,c...) and ? ! shapes.
take a aceous that had a fateful encounter to the building that does ont lead underground at the ruins of alph you will be transported to the sinjoh ruins. go out side and follow the hiker . when you get to the house talk to Cynthia then deposit all of your Pokemon accept aceous in the PC then go back to the sinjoh ruins and pick giratina. the giratiana is holding a glistous orb
You need to get an Arceus in HeartGold or SoulSilver. Go to the Ruins of Alph with Arceus and you'll meet a man underground if you head towards the north. After a bit of talking you access the Sinjoh ruins. Inside the ruins you meet the Sinnoh league Champion, Cynthia. After a bit of talking and an epic video you can choose a Dialga, Palkia or Giratina. They each hold a Adamant Orb, Lustrous Orb or Grisious Orb respectively. All of these Pokemon are at level 1 and can learn moves that the normal Dialga, Palkia and Giratina Cannot learn. They learn Metal Burst, Hydro Pump or Shadow Sneak respectively.
Arceus
in Pokemon heartgold ruins of alph in Pokemon soulsilver ruins of alph
get an arceus and take it to ruins alph
South of Violet City.
Shinto Ruins is only obtainable if you have an Arceus.
you find the steel statue in chroma ruins near the end of the ruins
She is in the Sinjoh Ruins. This can only be accessed with bringing an event Arceus to the Ruins of Alph.
First off, the Red Orb has nothing to do with the Ruins of Alph on Pokemon Heartgold or Soulsilver. The Red Orb is used at the Embedded Tower to summon Groudon. This Pokemon can only be obtained in Pokemon Soulsilver.
go to the ruins of alph by Violet City
they are in the ruins of alph, which is west of violet city.
In the English version, it's Sinjoh ruins. You have to have an arceus from the event and trade it over from DP.
you get it from the fat man close to sudowoodo above the Ruins Of Alph