If i wanted to use perform (sing) to shatter wine glasses, how do?


Advice


I've never seen the rules cover this but it seems super plausible considering its a real world feat. I can't help but think of the implications. Being a Bard or a Monk, or anyone with perform (sing), and just going harassing people with keen senses, or shattering wine glasses without using any actual magic or class features.


High DC perform check and done. Next.


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I'll make it even clearer.

You got sunder rolls right? Hardness hp all that?
Then you got straight break DC.

So theres already a system in place for breaking things without sundering over and over. All or nothing rolls. Breaks or doesn't.

Adapt that concept. Glass (well, crystal isn't it?) Should just be a DC like...27 roll. Hit that note and crack some crystal. Why 27? I dunno. Why not.


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If you wanted to go further into fantasy aspects of this the Sound Striker Bard archetype is spot on.


Java Man wrote:
If you wanted to go further into fantasy aspects of this the Sound Striker Bard archetype is spot on.

100% agree but as the OP wanted no class abilities then you're stuck with the core rules of "some objects are vulnerable to certain effects more than others". It's not ureasonable to say perform sing vs crystal is one of these, even if it's a corner case. The sound striker is very good at breaking all kinds of things.


Oh, I like and support the proposed mechanism for doing this with perform, was just throwing out something for diving deeper in.


I'd recommend a constitution check personally. Singing well and singing loudly at a high pitch are two very, very distinct things.


Have a read.

It's possible, but incredibly difficult. And by the sound of it, you probably aren't breaking a whole room of glasses. Maybe just one right next to you.

It's also more about volume of sound, than the ability to sing well. Although being able to sing well will make you more likely to hit the resonant frequency of that particular glass. And glasses do not share the same resonant frequency.

Short of actual magic, you're probably just shattering one glass at a time.

Of course, that's for a non-fantasy world.

I'd probably make it two checks:
1) DC 25 Perform(Sing) check to find the right resonant frequency, requiring you to handle the glass*. You could also do it by going through a range of frequencies, DC 35(?).
2) Sustaining a high enough volume. This is pretty much controlled by lung capacity. I'd say you make this a con check of sorts. DC 20, but you get 1/2 your ranks (only) in Sing added to your con modifier. Training to sing would improve you lung capacity, but would never make it a sure thing. DC increases by 1 for every 5 ft of distance from the glass.

*You can find the frequency by making it ring by tapping it.


Since in the real world this requires a lot of training and getting lucky, I would require two things. The first is that the character attempting it has to roll a natural 20 on the perform sing check. Second I would require s certain number of ranks in perform. Probably about 10 ranks would be sufficient.

The problem with requiring making a set DC is that you can have a high performance check without having a lot of training. This is something that should only be able to be done by someone with a lot of training, not just a highly charismatic person.

Also keep in mind that Shatter is only a second level bard spell. If you want to be able to do this in combat on a regular basis simply pick up the spell.

If you are using the mythic rules you could also allow Critical Skill to shatter glass.


Mysterious Stranger wrote:

Since in the real world this requires a lot of training and getting lucky, I would require two things. The first is that the character attempting it has to roll a natural 20 on the perform sing check. Second I would require s certain number of ranks in perform. Probably about 10 ranks would be sufficient.

The problem with requiring making a set DC is that you can have a high performance check without having a lot of training. This is something that should only be able to be done by someone with a lot of training, not just a highly charismatic person.

Also keep in mind that Shatter is only a second level bard spell. If you want to be able to do this in combat on a regular basis simply pick up the spell.

If you are using the mythic rules you could also allow Critical Skill to shatter glass.

I disagree with needing lots of training to accomplish this. You could take someone who is unskilled record them singing a note and then use a bunch of sound equipment adjust the pitch and intensity to what's required. This is no different then a character getting a bunch of magical aide to meet the required DC. As for it not making sense that increasing your charisma would make you better at this task, this is because the game isn't a pure simulation, it incorrectly assigns charisma to all perform skills. Dancing for example should probably be a dexterity based skill.


The problem of having lots of charisma allowing you to do this is more a problem of singing getting a bonus from charisma in the first place.

In any event, the rules I suggested use ranks in singing as part of the second check to succeed anyways, so it's hidden way to insure that someone with a bunch of magical bonuses to singing isn't able to do this easily.


this also seems like a cool trick they could have added to signature skill.


Does doesn't it


Or a feat with some prerequisites in Con and Perform. You might be able to do it with an instrument like a flute (something loud and monotonic) but much the same principles apply. And if you can sing/play that loudly, you're more likely to be able to deafen/daze/stagger/stun creatures than break stuff.


Sure this could easily be done with magic, but that is not what the original poster requested. If you are using magic items simply pick up a wand of shatter and problem solved.

A skill unlock was the first thing I thought of. That was kind of my basis for saying 10 ranks in perform.


Have a minimum con score of 14

Than be capable of having a perform check of 25 or higher if you take a 10 to represent the skill required.

After that I would say you could do it whenever you want but are fatigued for a minute between attempts.

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