The Trials of Promotion Exams

Oh, the character is cute lol

Krarahahaha! Standing before the 2nd stage of the promotion test, you've got some serious guts, eh!? Don't back down from mere hardship, break through it with fiery passion, Kaor!! Let's gooooooo!

If you're stuck on a fixed stage, it might be because your treasures aren't well-equipped. Try farming for treasures, and you'll probably clear it easily.

I think it's stage 8. If you get to level 3 at the start, summon a few Searchers early on, summon as many as you can that can get perfects, and when the Radish appears, summon Salmon Roe and use your high-defense unit's perfect attack, you should be able to clear it. The Salmon Roe's attack debuff seems important.