This simple leaf pendant with a green gemstone inset is attached to a simple silver chain. While attuned to this pendant your maximum Hit Points are increased by 5 and you reduce all damage taken by 1.
Once this amulet has blocked a certain amount of damage it unlocks its Enhanced form. After blocking another amount of damage, its Ascended form.
Enhanced: The bonus maximum Hit Points increases to 10, the damage reduction increases to 2 and you gain the Rejuvenate ability.
Rejuvenate: Once per long rest you can activate the pendant as a bonus action. For 1 minute, you heal 2 hit points at the end of each of your turns unless you fall unconscious or die. While this is active the pendant glows faintly.
Ascended: The bonus maximum Hit Points increases to 15, the physical damage reduction increase to 3, and the heal from Rejuvenate increase to 4 per turn. You also gain the Divine Intervention ability.
Divine Intervention: Once per long rest as a standard action you can cause the pendant to glow brightly and surround you in a bubble of holy energy. Until the end of your next turn, you are immune to all damage.