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Cake day: June 26th, 2023

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  • I’m okay with a DM ruling that it’s possible to cast it in such a way that someone is taken off guard, sure. Maybe a performance or deception vs hostile creature(s) insight rather than the typical stealth vs perception when determining surprise from sneaking, which is not RAW, but I think sounds reasonable. I’d definitely not consider it to be an automatic aspect of the spell at any table I ran.

    And you absolutely could not avoid a fight and just walk away from the situation with plausible deniability because you “only insulted them”.



  • Ignoring the actual rules and mechanics is basically step one in almost every “isn’t this goofy” D&D anecdote.

    Not only is it not “decent damage” (even the buff it got in 5.5 just brings it from “the worst” to “poor”), it’s also not a subtle thing you can just drop on someone unsuspectingly.

    Spellcasting for an attack is an obvious aggressive action, which means an initiative roll comes first to see if you even manage to get it off before they clock you. It’s also not like everyone around just shrugs and lets you go about your business because all you did was hurl an insult. You attacked someone with an offensive spell, the response is exactly the same as if you threw a firebolt at them

    The flavor of insulting someone to death is fun, I’ll grant that, but there’s nothing special about Vicious Mockery mechanically that makes it immune to initiative order or people noticing what you’re doing.











  • So what is the mass of a byte of ‘pure’ information? And how do you derive it?

    That’s all in the linked wikipedia article, but since you asked:

    At room temperature, the Landauer limit represents an energy of approximately 0.018 eV (2.9×10−21 J).

    That’s 1 bit, so 1 byte is eight times that, which you can plug into E=mc2 to get its absurdly small equivalent mass.

    It’s important(?) to note that Landauer’s Principle is not settled science and has yet to be rigorously proven, unless there’s some recent development which the comic is referencing. I haven’t checked.


  • No, you missed the point. See @milicent_bystandr@lemm.ee’s comment and link to Landauer’s Principle, the namesake of which is literally named in the title of the post.

    TL;DR: Storing information requires a change in entropy. A change in entropy requires a change in energy. There must be a minimum non-zero amount of energy required for a given quantity of information. Energy is mass due to mass-energy equivalence. ∴ information has mass independent of its physical representation.