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15d6 = ??? dice problem

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Mort
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15d6 = ??? dice problem

Post by Mort »

I know that d20= a 20-sided dice (random number between 1 and 20), and d6= a 6-sided dice(random number between 1 and 6). If a spell e.g. does 1d8 damage that means it does 1-8 damage. But if the damage is 2d8, is that equal to a roll with 2 8-sided dices? And what about 15d6 or 2d4+1 or 5d4 and so on?
Someone please explain it to me!
You know, like... a very long time ago, I was like a ... Moonblade. Hehehe.
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Hex92
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Post by Hex92 »

You have the right idea. If you cast a delayed blast fireball that does 15d6 damage that means your spell could do anywhere from 15-90 hps of damage. SO the first number is how many times you roll the dice and the second number is the die that you roll.

In class PnP (pen and paper) AD&D there were 4,6,8,10,12, and 20 sided dice. I always got a kick out of casting a spell that caused alot of damage and getting to roll 12d6.....

Hex92
Veldrik

Post by Veldrik »

I use to also play Warhammer aswell. The best fun was when everyone else got one (or sometimes 2) attacks per person, so with 40 troop units they may have gotten around 20 dice to roll.

My general (female general so it may be generaless?) had 36 attacks by herself, and her houre had 4. Holding that many dice is really fun, I used the littl'uns, ie the 5mm wide dice in really nice colours.


Oh yeah, when I use to work in a games shop (for war games and role player, aswell as cards, models, painting and PC games) they sold the really cool 100 sided dice which were 70mm in diametre.
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Weasel
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Post by Weasel »

2d4+1 would = 2 to 8 + 1 which would make it 3 to 9.
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Radek
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Post by Radek »

AdB + C means roll 'A' dices with 'B' sides and add 'C' to the result. Example: 5d2 + 7 means roll 5 2-sided dices and add 7, i.e., 12 - 17.

A bit of theory of probability (don't run! It will not hurt!):
The law of big numbers says that you get and average roll in average if the number of attempts is high. For example, a 5d2 + 7 weapon does 14.5 HP damage in average ((12 + 17)/2). The weapon is as good a 1d6 + 11 weapon because the 1d6 + 11 weapon does 14.5 HP damage in average as well. Because it is a weapon, the number of "attempts" (i.e., hits by the weapon) will be high.
A different story is a spell. The number of attempts (i.e., spell casts) will not be high enough. The following rule is true: the more dices the more "serious" is the spell. The more dices, the more often you will see an average hit and the less often you will see the "tails" (bad or extra good rolls). For example, the 15d6 spell does 15 - 90 HP damage. It has 15 dices, i.e., a lot of them. The spell is "serious" - you will see the average (say 50 - 55) often and the tails (say 15 - 25 and 80 - 90) seldom. On the other hand, 1d76 + 14 spell also does 15 - 90 HP damage but now you will see everything between 15 and 90 equally often. The spell is "risky" - you cannot count on it. It will betray you much more often than the serious spell. Well, it will please you much more often than the serious spell, too.
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Mort
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Post by Mort »

Thank you all!
Now I don't have to lay awake thinking about it Image
You know, like... a very long time ago, I was like a ... Moonblade. Hehehe.
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