Hey fellow Final Fantasy X explorer! When it comes to sphere grid progression, don’t be afraid to mix things up and experiment with different paths for your characters. Make sure to prioritize key abilities and stats that complement each character’s role in battle.

For side quests, be sure to complete the Monster Arena challenges for some great rewards and tough battles. Don’t forget about the Celestial Weapons and their respective side quests for some powerful gear.

When it comes to character builds, focus on maximizing each character’s strengths. For example, Tidus makes a great physical attacker, while Lulu excels in magic. Customize your sphere grid accordingly to make the most out of each character’s potential. Happy exploring!