When Veldora disappeared, it was said to have a large impact on the surrounding lands. Why would it make such a large difference if he was already imprisoned and unable to use his skills?

  • 1
    By impact or influence, you mean....?
    – W. Are
    Oct 9, 2019 at 13:48

2 Answers 2


Typically in any sort of media that uses some sort of superpower, the characters have some sort of aura. This can be seen initially from Rimuru unknowingly exuding a powerful aura. I believe it was said in the LN that Veldora isn't able to control his aura that well, so regardless of what he's doing his aura is gonna be present.

Well first of all, assuming the seal initially blocks his aura or even suppresses it, the forest will have a large area that is no longer covered by Veldora's aura, meaning weaker life-forms can now habit the area that it once covered. The disappearance of something so great is bound to have a large effect. Later on, assuming aura/magic propagates through the seal/air, if Veldora stays imprisoned for so long, the area around him will be saturated with magic power from his aura. This can be seen when Rimuru is exploring the cave when he arrives and there is an abundance of rarer materials. Since the surrounding area is full of magic power from Veldora's aura, then if magic follows similar laws as matter does, it will keep spreading to try to keep an equilibrium of magic particles and eventually reach outside the cave, eventually covering another area and preventing weaker life-forms from living there again. The fact that he is still there causes a large influence, even if he is sealed up. When Rimuru devours him, his aura is no longer present, causing everyone that is capable of detecting that his aura isn't there anymore to know. Who wouldn't be nervous if one of the strongest life-forms in your world just disappeared all of a sudden?

  • Please include relevant sources/references.
    – W. Are
    Oct 11, 2019 at 6:36

This is an excerpt from the first light novel, page 110. It only explains the Direwolves' perspective, but I think it can be applied to all the monsters

So why had they shied away from entering it [Forest of Jura] themselves? Simple: Veldora the Storm Dragon. He was the one and only reason. Even when he was within his prison, the waves of dreadful magical force shook their very hearts. The creatures in the forest, they believed, enjoyed the dragon’s divine guardianship—which was why they could survive under those scorching waves. That was what they had to believe. Otherwise, the truth would drive them mad.

In other words, fear and conditioning.

Also, I think Milim also mentioned in the Anime that the Demon Lords had an agreement with Veldora not to bother the Forest. It seemed to be respected even when Veldora was imprisoned and only once he was gone did they feel free to interfere with activity in the Jura Forest.

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