Originally Posted by
Eveonder
What it means is that Gaia does not allow the thing to die. MEODP is limited to "predetermined life span, as in what binds the object to the relevant plane of existence, in other words, the time limit, is seen." Heroic Spirits and Counter Guardians exist outside time. Gaia's concept of death or time limit does not exist. Like how Shiki can't see any lines or points on Arc when the moon is full. But I just realized that Shiki might be able to see the 'class' and cut those sending the actual heroic spirits to the lesser grail. Since Servants or at least their materialization can be destroyed (but still, they're not killed, they're just sent to the lesser grail).