Harder than the EX-8 boss and it's not even close. Practically every move in the second half has to be perfectly timed in order for every enemy to be in exactly the right place at exactly the right time for either Reed, Mon3tr, or Folinic to be able to deal with it.

Previously done on normal mode by ‪@スケトウダラの動画保管庫‬ with a much lower op count, which you can watch here:    • 【アークナイツ】 OD-EX-1 医療ナイツ 5人