Megumin's explosion spell drains her to the point where she cannot move, and she can only use it once a day, but could she move if she had more MP (or whatever equivalent KonoSuba uses) for casting? It could be that the spell cost is defined such that it drains all MP, but there's evidence there's at least a minimum MP requirement, because she was unable to cast it after Kazuma drained some of her MP in one episode, though she wasn't at zero MP. But we see in some episodes Megumin can cast the spell twice if Kazuma uses his drain spell to give her more MP. So, is raising your MP a thing in KonoSuba (I'd think it would be, since it has an explicit leveling and stats system), and could Megumin potentially move after casting her explosion, and maybe even cast it twice in one day if she doubled or tripled her MP?

Do the light novels or manga have any information that would answer this?


Megumin has spent all of her XP into improving "Explosion", at the expense of every other possible skill or spell - this is mentioned in the Legend of Crimson film, and also I believe in the show itself.

What this implies is that she always levels "Explosion" to the point where she can create the largest explosion possible, which probably requires that she spend all her MP to do so. If she does have an opportunity to deliberately increase her MP, it seems likely that she would also increase "Explosion" to match, and so would stay at the once-per-day limit.


It's possible that her having more MP could allow her to cast it more than once without kazuma having to use his drain spell to give her more MP. So in that regard, you are correct. The main thing for her would be to control her spells more and to learn how to exercise that same amount of power, but with more control and learn how to do it without expending so much MP. It would make more sense if she could double or triple her MP. And even if she doubled it that would solve the problem, and if she tripled it there would be virtually no issues with her being able to move after casting the spell. So to answer your question, would she need to double or triple her MP? Yes she would. But control, and proper MP use play a major factor as well.

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