You can only take a certain amount of steps before a i think hurracane? happens.
Volcarona is inside Relic Castle.
there is a backpacker in relic castle who will give you either a plume fossil (which is revived into an archen) or a cover fossil (which is revived into a tirtouga)
at the end of it
His name is Darmanitan and you can awake him with a RageCandyBar given by Professor Juniper during the story
It's in the Agate village and is close (left to and below) the Pokemon center
relic castle
Relic Castle in the desert
Volcarona is inside Relic Castle.
you have to get to the bottom
Relic castle
It can be found in the Relic Castle in Pokemon Black Or White
It's west of Desert Resort
one is in the relic castle on route 18
there is a backpacker in relic castle who will give you either a plume fossil (which is revived into an archen) or a cover fossil (which is revived into a tirtouga)
TM 26 Earthquake can be found in the Relic Castle
it is in the desert near relic castle
You can find it in the outside area or relic castle