Relic Castle Pokemon

These Pokemon being covered are Sandile, Krokorok, Yamask, Cofagrigus, Sandslash, Onix, and Claydol.  Sandile evolves into Krokorok at Level 29, then into Krookodile at Level 49.  Yamask evolves into Cofagrigus at Level 34.  Baltoy evolves into Claydol at Level 36.  Sandshrew evolves into Sandslash at Level 22.  Onix evolves into Steelix when you trade it while holding a Metal Coat.  And, in the basement, you can find a Volcarona Level 70.  But I already covered Volcarona.