twenty-sided dice

You may need to know: The theme of this article is "Dungeons and Dragons", and an important rule of the Dungeons and Dragons game is to determine whether a certain action can be performed by throwing twenty-sided dice (and its variants), exceeding the specified value All kinds of miraculous things can be forced to happen.You may also need to be able to calculate the probability of rolling twenty-sided dice to reach a certain value, but these are the simplest values, no need to count the number of combinations!Hope it brings back some memories and sympathy!Content tags: sci-fi flower season and rainy season ability┃ Search keywords: Protagonist: I┃ Supporting role: Yang, Yi