Command Spell Question

[AleDog]

If one were to use a Command Spell and tell his servant to go to hell, would that prove if hell exists or not?

[Prix with a Silent X]

I could be wrong but I'm pretty sure that in Nasu cosmology, hell exists because there are humans who believe that it exists. Whether or not it factually exists is more murky than that, but I think humans have to exist in order for the records of their beliefs to exist and the records of their beliefs are like a permanent part of the world and will exist for as long as humanity does. Something something something Forces.

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There's also an actual Questions thread in General Discussion where you could go and posit this question to people who know stuff.

[You]

If one were to use a Command Spell and tell his servant to go to hell, would that prove if hell exists or not?

not necessarily.
Because it could take more magical energy than one command spell to go to a hell. Or the Servant could be against such an act, so you wouldn't get the reinforcement/synergy effect.
Then you just wasted a command spell.

[AleDog]

I dunno man, command spell teleporting tends to take one spell from what I tend to see.

[Prix with a Silent X]

In cases where you've seen that, though, the Servant was willing to go there...

[You]

I dunno man, command spell teleporting tends to take one spell from what I tend to see.

Kiritsugu raised his right hand, showing the Command Seals carved on the back.

It was completely up to Kiritsugu what kind of order he would give. But Saber had already made up her mind that no matter how strange the battle tactics he intended to employ, she would do her utmost to carry them out. As long as she could retaliate against Archer, any methods would be fine.

Even if his command was to block the sense of pain and use all her strength, Saber would ignore the pain of her physical body, and exert the greatest strength from within her body until there was nothing left. If he commanded her to undergo instantaneous movement to the side of the Grail, then she would be able to escape this extremely disadvantageous position. Perhaps through precise calibration of Excalibur, she would be able to bring Archer down without harming the Grail. Such is a Command Seal. If the Command Seals were used with the consent of both Master and Servant, then no matter how impossible the task, it could be completed. In this moment, Saber entrusted everything to this last hope, because only it could turn the tables astonishingly on the current situation.

If your Servant is against that, you don't get that synergistic effect.

Q: How long are the effects of Command spells valid for? For example, when a Servant with no healing skills is dying, what happens after "heal right this instant" instruction? (Ehime/MidoriSansen)

A: Without healing skills, the body will be "temporarily able to move" while still wounded. The wound would be temporarily sewed shut with a thread of magical energy.
Of course, as soon as the potency of command spells is exhausted, the damage taken is greater than before the command spell was used.
Because the wound is not healed, there is still pain and one's abilities is also reduced.
Let's call it a temporary "zombie" state.

also if it goes beyond what the Servant can do, then it's beyond what the Servant can do and it's just throwing magical energy at the solution.
Like how Saber was commanded to fly in HA.