Haunted Champion

You are chosen by spirits to lead them out of eternal torment, granting you the following benefits:

• Increase your Strength or Constitution by 1, to a maximum of 20.
• Once per turn, when you hit a creature with an attack, you can add a number of d6 of necrotic damage equal to your proficiency bonus.
• Whenever you perish in battle, your corporeal body returns to the primordial home of the spirits that have chosen you as their champion.