https://wccftech.com/how-to/how-to-win-the-battle-at-riovanes-castle-keep-in-final-fantasy-tactics-the-ivalice-chronicles-guide/
Here's how to win the battle at the Riovanes Castle Keep in Final Fantasy Tactics - The Ivalice Chronicles, one of the most challenging in the game
how to wincastle keepbattlefinal