blue sky vs legendary

blue sky

legendary

adj
  • Having unimaginable greatness; excellent to such an extent to evoke stories. 

  • Having the splendor of a legend; fabled. 

  • Appearing (solely) in legends. 

  • Of or pertaining to a legend or to legends. 

noun
  • A legendary Pokémon. 

How often have the words blue sky and legendary occurred in a corpus of books? (source: Google Ngram Viewer )