Armond's final light

You hurl a bolt of light toward a creature within range. Make a ranged spell attack against the target. On a hit, it takes 5d12 Radiant damage. If the target has 1 or more hit points left after the damage, it then regains Hit Points equal to 5d12.

Whenever you make a critical hit with this spell, both damage and healing dice are double.

Using a Higher-Level Spell Slot. The damage and healing increase by 1d12 for each spell slot level above 2.