LogFAQs > #970982150

3 was figured out pretty quickly. Enel had pretty detailed guides to the combat mechanics out within the first week or two and full-fledged characters guides within 2 months. The meta has evolved since then as people have found new ways to min/max, but that's not remotely necessary to play through the game, so it doesn't change a whole lot. Far more so than X or 2, 3 also has decent tutorials and you can view them at will, so the game isn't anywhere close to as obtuse as either of them were. The tutorials don't cover absolutely everything, but they're more or less enough to get you through the game without major issues.