

In [this answer](https://anime.stackexchange.com/a/13915/1587), I pointed out
how Kiritsugu planned to use dynamite and the ley-lines to stop the Holy Grail
War from occurring again. However, the plan failed because there was an excess
amount of Prana in the Grail which caused the next Holy Grail War to occur
earlier.

Given that regardless of the ending, the Greater Grail would be stopped
(either by the events of Heaven's Feel, or Lord El-Melloi II and Rin
dismantling it 10 years later), what happened to Kiritsugu's explosives?

All
[Wikia](http://typemoon.wikia.com/wiki/Fuyuki_Holy_Grail_War#Fourth_Holy_Grail_War)
says is

> The premature occurrence of the Fifth Holy Grail War and the subsequent
> destruction of the ritual means that it no longer has a purpose.

Yet it also said

> The process involved utilizing stocked dynamite and the manipulation of ley-
> lines to ensure a severe localized earthquake in the targeted area within
> thirty to forty years of the Fourth War

I'm not sure how big the localized earthquake would be, but since the targeted
area would be where the Greater Grail is, and it is under Mount Enzou which
according to the [Wikia](http://typemoon.wikia.com/wiki/Fuyuki#Mount_Enzou) is
where Ryuudou Temple is and doesn't look all that far from the school
[according to a Fate/Hollow Ataraxia
map](https://vignette.wikia.nocookie.net/typemoon/images/a/a8/Fuyuki.png/revision/latest?cb=20111010011339)

So did anyone find and remove Kiritsugu's explosives? If not, do we know if
they pose a threat to Fuyuki?


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fate-stay-night fate-zero nasuverse
Did anyone find and remove Kiritsugu's explosives?


According to Fate Complete Material III: World Material - Record of Heavens
Feel - Holy Grail War: History of the Holy Grail War, p.007

> 2010s - The taking apart of the Holy Grail War. Ten years after the Fifth
> War. Lord Emelloi II (real name, Waver Velvet. One of the Masters of the
> Fourth War) arrived in Fuyuki and together with the head of the Tohsaka
> line, set out to completely take apart the Great Grail. The Association was
> planning on bring back the Greater Grail, so the two sides were completely
> opposed. After the end of the great turmoil of the same magnitude as the
> Grail War, the Greater Grail was completely dismantled. The Grail Wars of
> Fuyuki came to a complete conclusion here.

Since the Greater Grail is connected to the leylines, a thorough analysis of
them would take place before dismantling. Remember that Waver was able to
locate a Caster servant's lair as a teenager, he should be able to discover
whatever Kiritusugu set there, this is just speculation though. At the very
least, the meddling with the leylines should be taken care of, but I don't
think there's any mention anywhere about the explosives' fate.


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I don't think the explosives were there waiting to explode. It is crazy to
think he would set up explosives to explode decades into the future. There is
too much risk associated with that. Even if you ingore that most explosives
don't have shelf life that long.

Instead he used the explosives at that time to change structure of the caverns
and the flow of the ley-lines so that accumulated prana itself would cause the
earthquake and destruction of the grail.


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