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.
Either on (at least) your 2nd playthrough or in Hard (or greater) difficulty, conquer the fierce battle at Guinevere, the Shrine of the Wind Trial, without using any items!
Either on (at least) your 2nd playthrough or in Hard (or greater) difficulty, conquer the fierce battle at Lefay, the Shrine of the Water Trial, without using any items!
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!
This is proof that you've stayed at inns for a total of 10 nights. Resting at inns can give you extra skill effects in battle thanks to mysterious ingredients in the meals you're served. You can also engage in chitchat with your companions and restore your initial SC to 100. Such hospitality!
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 equipped items that activate a Group Union bonus skill. Each basic skill group has a skill corresponding to each of the five elements. It doesn't matter where on your equipment you have the skills equipped; just equip all five skills in a group to form a Group Union!
Either on (at least) your 2nd playthrough or in Hard (or greater) difficulty, conquer the fierce battle at Falkewin Hillside without using any items! It's a steep challenge, but you've got what it takes!