Through the ancient entrance.....
After you have completed enough of the barbarian training requirement, jump into the whirlpool and you will end up in a safe area with stairs. Go down the stairs and you will enter the dangerous ancient cavern.
Some ancient Pokemon etchings
I had an odyssey of adventures while on a trip to an ancient cavern.
I'll explore this cavern when I have a flashlight.
Cavern is a noun.
All except for Mithril can be found in the Brimhaven Dungeon. Mithril Dragons can be found on the second level of the Ancient Cavern.
The suffix for cavern is -ous, as in cavernous.
Cavern of the Fear was created in 2002.
The Cavern Club was created in 1957.
Space Cavern was created in 1980.
Space Cavern happened in 2600.
Cavern Creatures was created in 1983.