C797 The Eighth Heroic Spirit the Archer

"Wait a minute, are you saying that all seven Heroic Spirits have already arrived? But there are only seven Heroic Spirits in the Holy Grail War! Since I summoned you, that makes you the eighth. No, it means I've summoned the eighth one! How is this possible?!"

She was utterly astonished!

Normally, the Holy Grail War featured exactly seven Heroic Spirits, no more, no less