Suggested by Sonic Lunala is an incredibly powerful Pokémon. While it may not be quite as formidable as a being like Mewtwo or Deoxys, it is still a very real threat that would shake even the bravest of foes. Dark Samus has some good energy options and is reasonably fast, but that is just not going to be enough in this battle. Lunala simply has too many options in this fight. Lunala wins.