Question: what are ultra friends in pokemon go?
Answer: Special trades that feature Legendary or Shiny Pokémon that aren't yet in your Pokédex can cost up to 1,000,000 Stardust to trade, so players should get their friendship levels up before trading. The cost lowers to 800,000 for Great Friends, 80,000 for Ultra Friends, and 40,000 for Best Friends.