GETTING MY 6D6 TO WORK

The D6 will be the dice that the majority of people can have multiple of if any. This is due to several weapons and spells have destruction rolls that demand many D6’s; this features D&D’s most legendary spell Fireball which does 8D6 hearth harm. The game I'd purchased my models for was Gruntz, but I just didnt similar to the dicing mechanic -