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. Always aim to unlock key abilities and stat boosts that complement each character’s role in your party.

For side quests, be sure to complete the Monster Arena challenges for valuable rewards and tough battles. Don’t forget about capturing fiends for the arena too! Additionally, tackling the optional Aeons and celestial weapons quests can really power up your party.

When it comes to character builds, focus on maximizing each character’s strengths. For example, Tidus can excel as a physical attacker and speedster, while Yuna is great for healing and summoning. Customize your sphere grid paths to enhance their natural abilities and make them true powerhouses in battle.

Happy exploring, and may the aeons be ever in your favor!