Alien civilizations invade, global spiritual energy recovers, and a game to fight against alien civilizations is released... What? All transactions in the game can only be made using spirit energy coins? Without spending a lot of money, it's impossible to quickly improve one's strength? Su Yu stood beside the world's largest spiritual energy spring and smiled. I have 10 billion spirit energy coins! Are you afraid? ... PS: There is already a 1.6 million-word completed old book, credibility guaranteed.