うーん......聖杯戦争の記録を紐解けば、 その手の同時召喚の例はあるとは思うけど。
Hmmm... Jika kita mengakses catatan-catatan Perang Holy Grail, mungkin ada contoh-contoh pemanggilan serentak semacam itu.
Hmm... If we could access the Holy Grail War's records, there should be examples of simultaneous summons.