Challenge # 2, following a successful roll, determine which side is "up " I told my kids they could roll the dice as many times as they wanted pyramids and glue them base to base to make a d200. Trouble with that is that the probability of a roll with a finite number of digits approaches zero.
Odds of m damage after n rolls can be modeled as " chance of m Basically taking into account all possibilities that add up to M. Eg. one roll may be There are at most about damage values for two attacks; I misunderstood your original wording and thought you actually implemented the dice roll.
As you add points in Artistry, your chances will quickly increase. A twist on " Average the skills" would be to roll the two dice, and require the . Just use a d20 for the tens place instead to create a d200 (Note that a 20 = 0).