Amulet of the Crimson Flame

This exquisite ruby amulet is said to hold the essence of a primordial fire spirit. When worn, the amulet grants the following abilities:

Crimson Flame. The amulet has 1 charge. While wearing it, you can use an action to expend the charge and cast the fireball spell (save DC 15) from it. The amulet regains the expended charge daily at dawn.
Fiery Resilience. While wearing the amulet, you gain resistance to fire damage.

Notes: Resistance: Fire, Damage, Warding, Jewelry