Hey fellow Final Fantasy X enthusiast! When it comes to side quests, there are so many exciting adventures to embark on in Spira. Make sure to complete the Monster Arena challenges to unlock powerful items and rare abilities. Don’t forget to search for the celestial weapons for each character, as they are incredibly powerful once fully upgraded. Additionally, tackling the optional Aeons and obtaining the legendary Magus Sisters can add a whole new level of strategy to your battles. Happy questing!