A character can spend one or more Hit Dice at the end of a short rest, up to the character’s maximum number of Hit Dice, which is equal to the character’s level. For each Hit Die spent in this way, the player rolls the die and adds the character’s Constitution modifier to it.

How do you determine hit dice in D&D?

Your Hit Dice is determined by class levels. You get 1 per class level, and what size it is is determined by your class. If you’re a Level 5 Fighter, your have 5D10 hit dice. If you then MCd into Cleric at Level 6, you’d have 5D10+1D8.

How do hit dice heal in D&D?

Hit Dice are the main way PCs recover lost hp. They can be used primarily during rests and are only recovered after a long rest (the slow natural recovery rules in a nut shell). Healing is improved with a healing kit. Add the level of the healer +CON of the patient to any Hit Dice rolled.