Shinra Tensei and Ionioi Hetairoi

The original Lesser Grail in this Holy Grail War had been Airi, but the Lesser Grail itself was merely a vessel for storing the souls of dead Servants, a necessary device for stabilizing the mana pathway between the Greater Grail and the present world.

Before the Fourth Holy Grail War, the Lesser Grails prepared by the Einzbern family had literally been cups.

However, because the Lesser Grail had been damaged in battle during the Third War, bringing the ritual to an end, it had subsequently been changed into a form capable of managing itself.

So rather, the Lesser Grail in Illya's hands was what it should have looked like.

Familiar with all of Einzbern's know...