Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
. Once you win enough battles in a certain facility, the Frontier Brain there will challenge you. If you win the battle, you will get a Silver Symbol. Beat that Frontier Brain again and you get a Gold Symbol. You can get two Symbols (silver & gold) for each of the facilities in the Battle Frontier.
