Why use 1d20 vs 2d10? : rDnD

2d 102D10 Dice Roller · Rolls 2 D10 dice · Lets you roll multiple dice like 2 D10s, or 3 D10s. Add, remove or set numbers of dice to roll · Combine with other types ofProbability of getting 1 10's is close to 0.1, about 10% percent. This is calculated by multiplying together all the probabilities of getting a 10 for each dice that has a 10.