[ JFD Guide ]

3 AUG 2026 – 10 AUG 2026

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https://bluearchive.wiki/wiki/Joint_Firing_Drill#tabber-Defense_Exercise_14
241,500 is all you need to max coins. Unless you enjoy CBT, take it easy and do 3 comfy runs.
Investments in the images reflect what was used in the video but are not always what's necessary.
- A Lv1 1111 1* Mari will cleanse 1 debuff just as hard as a lv90 5MMM UE60 Mari, for example.

Tips

This JFD gimmick involves debuff cleansing.
- The scarecrows start with a 99% healing debuff on Stage 4. Cleanse it with A.Toki, Mari, Rena, P.Koyuki, Chinatsu (Lv3+ EX), or Rumi. You will also get a cost recovery buff for doing so.
- Every 10% of the scarecrow's hp inflicts the enemy group with a 50% damage received buff for a maximum of 500% damage received. However, enemies also start with 90% damage resistance. Enemy HP is 90k/45k/36k for Stage 4, and 40k/20k/16k HP for Stage 3.
- Scarecrow HP is 33k/52.5k/77k for Stage 4, and 21k/34k/50k for Stage 3.
Cleanse, heal, AoE. Simple JFD.
- S.Hanako, S.Koharu, and N.Y.Mutsuki are the most commonly used AoEs. You can also use A.Hoshino, Koyuki, C.Shiroko, D.Saori, and plenty of others.

Warning