# Tag Info

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Magic Item / Spell Creation Tables AD&D (2e) has some very exact tables/processes for crafting your own magic items and spells. For instance, if you wanted to make an item that combined Boots of Elvenkind and Slippers of Spider Climbing, you just looked it up on a table and you knew about how much down time it'd take and what it'd cost. Want to make ...

11

If you forgive me getting all mathematical, it's to get percentages right with "x or less" success. Since they are called "percentage dice", we intuitively assume that if we have to "roll a twenty five or less" that should correspond to a 25 percent chance of success. But that is not true if zero counts as zero - 26 of the outcomes are less than or equal to ...

24

We (1) had no 10-sided dice, (2) needed a three digit result ... Hi, Original D&D player here. While Quadratic Wizard is mostly correct, the 00 = 100 was in the Original D&D game(1974, TSR, three little brown books, unless you go back as QW did to the Naval War College); the game's tables show that 00 was highest percentile roll. About the dice ...

0

The 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 tells you how many ones you got and the 00, 10, 20, 30, 40, 50, 60, 70, 80, 90 tells you how many tens you got. So, of course, and as you already know, a roll of 1 and 30 would be 31. A roll of 5 and 70 would be 75. Then we get 8 and 00. That would be 08, or 8. Bringing us to your delightful question. A roll of 00 and 0. It ...

37

That method of rolling percentile dice actually pre-dates D&D. Reading percentile dice in this manner pre-dates D&D, and has been used consistently in the rules throughout editions of the game. Percentile dice date back to at least 1963, when they were used in wargames by the US Naval War College to simulate percentage chances using a 20-sided die ...

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In common practice a d100 is effectively a 0-99 roll, with the stipulation that 0 be treated as 100 The game needs a way to roll 1 to 100 with equal chances, and no chance of getting zero. Let's start by just looking at how we are set up to roll the results from 1 to 99, and then we'll get to the special case of getting 100. In order to have a practical ...

4

I’ve executed a number of web searches and trawled through quite a few results, and every single one of them refers to the xakhun as being found in Dragon vol. 244, and does not mention them being found anywhere else. That includes in cross-edition sources that presumably would mention other sources for each edition if they were available. A few places ...

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I'm going to tackle this from a different angle and assert that the optimal cap is psychological/sociological and based on player behavior, and that's why even non-DnD RPGs usually use the same max 20 (bonus 30 for hardcore players) cap. If it turns out that 99.9% of players have no realistic hope of ever reaching max level that renders it meaningless. ...

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TL;DR, Yes Steve Kenson replied on December 3rd: I did most of the design work on M&M 3e/DC Adventures, in collaboration with developer Jon Leitheusser.

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