Hey fellow Final Fantasy X explorer! When it comes to sphere grid progression, my tip is to focus on each character’s strengths. Customize their paths to enhance their abilities in battle. Don’t be afraid to mix and match different paths to create unique character builds.

For side quests, make sure to complete the Monster Arena challenges for valuable rewards and the chance to capture rare monsters. Don’t forget about the celestial weapons and aeons quests for some powerful gear and summons.

Lastly, experiment with different character builds to find what works best for your playstyle. Whether you prefer a tanky Tidus or a magic-focused Lulu, the sphere grid offers endless possibilities for customization. Happy exploring!