LogFAQs > #975387318

So the other day I was like "I feel like playing some FFX" for whatever reason. So I loaded up my old file from when I did that big series playthrough like 9 years ago. So I already had the celestial weapons and sigils which I do remember doing that, I already captured 10 of every enemy apparently, which I don't remember doing that, but everything is unlocked in the arena. I got everyone a 3 slot triple AP weapon from One Eye, put AP -> Overdrive and Double or Triple Overdrive on everyone's weapons. I've been grinding AP in the arena using the Don Tonberry trick to get everyone all around the board, which I'm almost done with that process, just need to get Khimari and Lulu finished up which I will do today. So I think my next step after that is grind stat spheres, which this is what I'm not sure about. What stats am I supposed to be aiming for to fight the endgame superbosses like Nemesis and Penance? Am I supposed to clear +1/+2/+3 stat spheres and replace them with +4? Do I need to fill every single empty slot with a +4 sphere? I've heard that instead of getting accuracy and I think it was evasion spheres, I should replace them all with Luck, but considering how long it takes to get a single Luck sphere I don't know if that's worth it?