It is a . Mission 9-5 forces you to learn mechanics that the tutorial ignored: positioning, EX timing, and elemental advantage. If you can beat 9-5, you are ready for the rest of the game—including the notorious Mission 11 (Perorodzilla) .
💡 : If you are struggling to hit the 120-second mark, ensure your Piercing students are at least Level 35 and have their Tier 2 or Tier 3 equipment upgraded. If you'd like, I can help you: blue archive 9-5
Here are the two teams recommended for the "Clean Sweep" strategy (Team A for mobs, Team B for the Boss). It is a