This is proof that you've witnessed the resolution of this story. Now you can try playing again with various changes to the gameplay, or you might venture into the daunting bonus dungeons.
This is proof that you've battled a wide swath of enemies. By the way, the more of the same enemy you defeat, the more likely that enemy becomes to drop equipment with skills attached. Time for some population control!
This is proof that you've reached the maximum Blast Gauge of 9. You can increase your BG using the Stack 3 bonus skill "Blasst". Coordinate your equipment just right, and you can blast off to new heights.
This is proof that you've earned the means to stand up against those whom you must. But beware... Your enemies are more powerful than you can imagine. There's no way to know whether you can triumph without confronting them directly.
This is proof that you've honed a certain Support Talent enough to be able to teach it to others at the inn. Those who can, do. Those who can even better, teach!