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Friday, January 15, 2010

Mythic Chartless

I keep mentioning how I don't use Mythic by-the-book and most of my hacks are about adding or removing 10%. So here's an explanation of how I do Mythic rolls.

At first, I used the Fate Chart as provided, but it quickly dawned on me that I was annoyed by needing such a thing just to ask Mythic questions. So far, the good points of the chart I see in the long run are:
  • It gives you the extreme results numbers
  • It uses a curve that makes wide rank differences less potent
But I don't see these as incentive enough to keep using the Chart.

How I do it now:
  • I start at 50% (or a 50/50 rank if you will)
  • I add or remove 10% per rank difference between a skill and the difficulty (or another skill if it's a resisted question), giving a Target Number
  • I roll the d100 and look if I'm below or equal the Target Number (if so, it's a Yes, otherwise No)
  • I quickly check if I'm below 10 or above 90 (easily noticeable) and unless the Target Number was quite far from the average 50%, I consider it an Extreme Yes/No
  • If the TN is like 80 or 90%, it's a matter of adding +2% for each 10% shift from the average to know if I have an Extreme answer or not. It's not instant, but the case rarely comes up for me anyway... and I'm not too sad if I've missed a few Extreme answers here or there. Most of the time I eyeball it anyway.

What I like with this method is that as long as I have a d100, I can ask Mythic questions. Here's an example:

Does the archer shoot the apple in the tree?
We start at 50%
It's a small object and a bit of a distance away. Let's remove 20% because of difficulty. We're at 30%.
Our archer has the Bow skill at rank 3, which is +30%. We're at 60%.
There, we can roll our d100 : 25. Below 60, so it's a Yes, he does hit the apple. Woop!

If I had rolled 6, being obviously below 10, I would have known it was an Extreme Yes. Maybe he shoots three apples with that single arrow. If it had been 95, above 90, it would have been an Extreme No, and our archer would not be able to sit for a few days.
Finally, if he had been right next to the apple, it might have been a chance rating of 90%, in which case I might have been more careful with rolls below 20 and rolls near 100 (eyeballing it, 98 and above would be an Extreme No in that case?)

So there! That's how I do it. I have the nagging feeling I'm missing something cool about the Chart given how everyone seems to love it. If anyone could tell me what it is :)



OpenID rpgnouns said...

I think your system works too...but the only question I have is how/if you use the chaos factor and what you do about random events...

January 16, 2010 at 10:28 PM  
Blogger Moni said...

A very good question!

I haven't used the Chaos Factor since my first or second try with the system. Felt like an extraneous layer of complexity to me: I kept forgetting about it. Given the recent discussions about it on the mailing-list, it seems the concept was not quite mature yet, too, so I don't feel too bad abandoning it.
That said, if one's using the CF, it's a simple matter of shifting X ranks in the right direction. In other words, +/-10% for each CF rank apart from 5.

As for random events, I do use them. Since I don't use the CF, though, I consider any doubles to be a random event (which is what's suggested for one of the alternatives in Mythic Variations... the Adventure genre maybe?)
At times, I'll use common sense and not count doubles if they happen during the very resolution of a random event or if I get two or three doubles in a row. I used to revere the randomness and follow it blindly, but I've since learned it should remain as a tool for imagination and be ignored if it gets in the way too much.

January 17, 2010 at 10:29 AM  

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