"Hit die"@en . "In the singular form, a hit die is the die rolled to generate hit points. In the plural form, hit dice (HD) is a measure of relative power that is synonymous with character level for the sake of spells, magic items, and magical effects that affect a certain number of hit dice of creatures."@en . . "In the singular form, a hit die is the die rolled to generate hit points. In the plural form, hit dice (HD) is a measure of relative power that is synonymous with character level for the sake of spells, magic items, and magical effects that affect a certain number of hit dice of creatures."@en . .