yes your supposed to go through concealed cave 30 floors
you to beat Regigigas in Aegis cave with team charm to enter the concealed ruins. =D
Finish the exploration of Aegis Cave with Team Charm, then after beating Regigigas, it will be unlocked.
Just go through it
no it's optional
After you beat Regigigas and unlock the concealed ruins go back to Registeel and battle him again. If you don't recruit him try again.
There is 30 floors in the Concealed Ruins.
There are six Deluxe boxes and an exit warp at the bottom of Concealed Ruins.
you need the event regigigas...
there are 20 floors
You first have to have Regice, Regirock, and Registeel in your party, who you can only battle if you have the Regigigas that you received from a Nintendo Event included in your party. You can find Regice at the Iceberg Ruins in Mount Coronet, Regirock in the Rock Peak Ruins on Route 228, and Registeel in the Iron Ruins in Iron Island. You can find Regigigas in Snowpoint Temple, and you can get into Snowpoint Temple by by defeating the Champion, Cynthia, for the first time.
In the rock peak ruins with a regigigas in your party. You can battle it mutliple times.
it has 30 floors