• mosiacmango@lemm.ee
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    1 year ago

    Rule of Cool and all, but this is pretty easy to defeat for the DM. The flintlock only provides enough force to make small pellets dangerous. As soon as the cannonball passes through the ring, its mass will go up hugely, meaning the force provided to a small pellet will barely move it any further.

    The rogue invented a complicated cannonball dropping system.

    • Leeks@lemmy.world
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      1 year ago

      Additionally, assuming the ring anti-magic field extends in all directions, the first shot would blow the end of the rifle off with the ring flying somewhere.

      Also, do magic items retain their magical properties after leaving the feild? If so, it’s still a pea shooter.

      • partial_accumen@lemmy.world
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        1 year ago

        Also, do magic items retain their magical properties after leaving the feild? If so, it’s still a pea shooter.

        This is a good question. Is the ring a “magic remover” or a “AoE magic suppressor”?

        If its a supressor then this is a double edged item. If you’re wearing it on your hand and get healing cast on you, your hand and whatever is near it doesn’t get healed. This would be bad news because the instinct is to grab or hold wounds to stop bleeding. This would mean you can still bleed out of the cleric is pouring every bit of their mana into healing you.

        • Leeks@lemmy.world
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          1 year ago

          If it’s a “magic remover” that would be a very powerful item. Boss has a magic sword? Touch it and now it’s not!

          • Shapillon the Skaven@lemmy.world
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            1 year ago

            I would be very hesitant to try and grab the BBEGs sword with my hand. Even unmagicked it must still hurt like a bitch.

            Otoh there must be a way to setup this without risking one’s hand.

    • fsxylo@sh.itjust.works
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      1 year ago

      Or let it happen once so the rogue feels cool and then the ring breaks because it’s attached to a firearm.

    • Jax@sh.itjust.works
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      1 year ago

      Hey, being able to carry 5 cannonballs with a convenient applicator to drop them definitely has potential use cases.

    • threelonmusketeers@sh.itjust.works
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      1 year ago

      its mass will go up hugely, meaning the force provided to a small pellet will barely move it any further

      But since the ring is at the end of the barrel, all of the force has already been applied to the pellet. I supposed to crux of the matter is whether the shrunken pellet has its original mass or not, and whether momentum or velocity is conserved upon transformation.

      • rtxn@lemmy.world
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        1 year ago

        The limiting factor is not force or velocity but energy. If the pellet retains its original mass, the kinetic energy imparted by the explosion won’t be enough to propel it to any kind of useful distance. If the pellet’s mass drops proportionally to its size, the explosion will accelerate it to a sufficient velocity, but upon exiting the barrel, the sudden increase in mass means it would have to shed a lot of its velocity to conserve its kinetic energy.

        Truly, the question is whether magic can violate the laws of thermodynamics, and how that would affect entropy.

        • joel_feila@lemmy.world
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          1 year ago

          Well either phyisic is getting bent over the tabel. If ke is mantianed as the mass return them it screw up momentum, which is also something that is conserved irl. If the momentum is conserved the keis violated

  • partial_accumen@lemmy.world
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    1 year ago

    A better use for this ring using the same "shrinking something beforehand and using the ring to remove the shrink would be to make a flechette bullet from hundreds of metal spikes pre-shrunk to pin size. Fire the pins into your target, getting under their skin, then send in your brawler with the ring on his punching hand. The blows he lands would remove the magic and the spikes would return to normal size inside the target.