The cubic d6 is the die most of the people visualize when another person states "dice." Six-sided and numbered 1 - 6, the d6 may be used to compute the injury of the melee assault, the damage or outcome of the spell, https://crithitceramics.com/mastering-the-dark-tone-running-a-campaign-with-a-goliath-wizard-in-dd-5e/