3 Operator clear for boss stage with ammo niche. There is world where you can do 2 operator clear with only Typhon and Executor ex Foedere ... but you really need to get lucky teleport for Typhon so she can remove boss debuff from Executor in phase 2. https://youtu.be/Nw_nH-d-Pfg#marknights#arknights#nicheknights#ammoknights
