Hey fellow Final Fantasy X explorer! When it comes to sphere grid progression, I recommend focusing on each character’s strengths. For example, Tidus is great for speed and agility, so prioritize those nodes for him. Don’t be afraid to mix and match different paths to create unique character builds.

As for side quests, be sure to complete the Monster Arena challenges for some awesome rewards and tough battles. Don’t forget to unlock the celestial weapons for your party members too – they pack a serious punch!

When it comes to character builds, experiment with different combinations of abilities and stats to find what works best for your playstyle. Whether you prefer a tanky Auron or a magic-focused Lulu, there are plenty of options to customize your party.

Happy exploring in Spira! Feel free to share your own tips and tricks too. Let’s help each other become true guardians in Final Fantasy X!