Grand Gaia is a fictional world in the mobile game series Final Fantasy: Brave Exvius. It features diverse landscapes, including lush forests, vast deserts, and towering mountains, each inhabited by unique creatures and characters. The world is divided into various regions, each with its own culture and history. In Grand Gaia, players embark on quests to battle enemies, collect items, and uncover the story behind the land. The game incorporates elements from the Final Fantasy franchise, such as iconic summons and character classes, allowing players to build their teams and strategize in combat.