Vulcurna does not evolve. It is the 2 and final stage.
Volcarona is inside Relic Castle.
It's a larvesta. It's a fire and bug type pokemon. It evolves in to volcarona at level 59.
Happiny
It is where you can evolve an Eevee into Glaceon.
Yes, evolution is still available in Pokemon Black and White, although like most generations, some of the new Pokemon introduced have no evolutions and therefore will not evolve, such as Audino and Durant.
It evolves into Volcarona at level 59.
It evolves into Volcarona. It evolves at level 59 though.
You get a Larvesta which evolves into a Volcarona
Volcarona is inside Relic Castle.
Carracosta does not evolve
No.
It's a larvesta. It's a fire and bug type pokemon. It evolves in to volcarona at level 59.
Larvesta evolves into Volcarona at Level 70 holding the Powder that ups Bug-Type moves.
Absol doesn't evolve.
narrow the question to a specific Pokemon
Happiny
Only by trade.